EN： The past participle phrase 'conducted on...' is used as a reduced relative clause (short for 'which was conducted on...') modifying the noun phrase 'A pioneering geoengineering experiment'. This is a common academic and journalistic structure used to pack information densely.
中文： 過去分詞短語「conducted on...」用作簡化關係子句（為「which was conducted on...」的省略），修飾名詞短語「A pioneering geoengineering experiment」。這是學術與新聞英語中常見的結構，用於緊湊地呈現資訊。
The research project funded by the government aims to reduce carbon emissions.
由政府資助的研究計畫旨在減少碳排放。
EN： The present perfect tense ('has yielded') is used to describe an action that happened at an unspecified time in the past but has a direct, significant relevance to the present moment.
中文： 現在完成式（has yielded）用於描述在過去不特定時間發生、但與現在有直接且重大關聯的動作或狀態。
The new policy has generated a lot of public debate since its announcement.
新政策自公布以來已引起了大量的公眾辯論。
EN： The verb 'yield' in this context means 'to produce or provide a natural product, result, or profit'. It is highly formal and frequently used in scientific, financial, and academic registers.
中文： 動詞「yield」在此語境中意為「產生或提供（自然產物、結果或利潤）」。此用法非常正式，常用於科學、金融和學術領域。
The investment has yielded high returns over the past three years.
這項投資在過去三年中產生了高額回報。
EN： Cambridge Bay (Ikaluktutiak) in Nunavut, Canada, is a key hub for Arctic research. Geoengineering experiments like the one conducted by Real Ice are highly controversial yet increasingly discussed as global warming accelerates. They represent a shift from passive conservation to active, technological intervention in fragile ecosystems.
中文： 位於加拿大努納武特地區的劍橋灣（伊卡盧克圖蒂亞克）是北極研究的重要樞紐。隨著全球暖化加劇，像 Real Ice 所進行的地球工程實驗雖然極具爭議，但討論度日益增加。這代表了從被動保護向對脆弱生態系統進行主動技術干預的轉變。
EN： Reduced relative clauses using past participles ('operated by...', 'funded by...') function as non-defining adjectival phrases. They modify the noun 'project' and are separated by commas, providing additional background information without changing the core meaning of the sentence.
中文： 使用過去分詞（如「operated by...」、「funded by...」）的簡化關係子句，在此作為非限定修飾形容詞片語。它們用來修飾名詞「project」（計劃），並以逗號隔開，提供額外的背景資訊，而不改變句子的核心意義。
The research, conducted by leading scientists and published in a prestigious journal, highlights the urgency of climate action.
這項由頂尖科學家進行並發表在權威期刊上的研究，突顯了氣候行動的緊迫性。
EN： The verb 'aim' is commonly followed by an infinitive ('to' + verb) to express purpose, intention, or objective. In formal contexts, 'aim to' is preferred over 'aim at' when followed by an action.
中文： 動詞「aim」後面通常接不定詞（to + 動詞）來表示目的、意圖或目標。在正式語境中，當後面接動作時，較常使用「aim to」而非「aim at」。
The new policy aims to reduce carbon emissions by thirty percent over the next decade.
這項新政策旨在於未來十年內減少百分之三十的碳排放。
EN： The preposition 'by' followed by a gerund ('by artificially thickening...') is used to express the method or means by which an action or goal is achieved.
中文： 介係詞「by」後面接動名詞（如「by artificially thickening...」）用於表示達成某個動作或目標的方法或手段（透過……方式）。
They managed to restore the local ecosystem by planting thousands of native trees.
他們透過種植數千棵本土樹木，成功恢復了當地的生態系統。
EN： The sentence highlights a growing global interest in 'geoengineering' (or climate engineering) as a proactive measure against climate change. In the UK and Europe, there is significant public and governmental debate surrounding the ethics, funding, and potential ecological side effects of such technological interventions in nature, contrasting with traditional conservation-focused environmentalism.
中文： 此句子突顯了全球對「地球工程」（或氣候工程）作為應對氣候變遷積極手段的關注度日益提高。在英國和歐洲，關於此類對自然界進行科技干預的倫理、資金來源以及潛在生態副作用，存在著相當大的公眾與政府辯論，這與傳統以保育為核心的環保主義形成了對比。
EN： The structure 'would have + past participle' (here 'would have seemed') is used to express a hypothetical situation in the past, indicating how things would have been under different circumstances or from a past perspective looking even further back.
中文： 「would have + 過去分詞」（本句中為 would have seemed）用於表示對過去事情的假設或推測，說明在不同情況下事物會呈現的狀態，或從過去某個時間點回看更早之前的設想。
Without your help, we would have failed the project.
如果沒有你的幫助，我們這個專案早就失敗了。
EN： An appositive noun phrase (here 'the project leader') is placed immediately after a noun (here 'Andrea Ceccolini') to identify or explain it. It is typically set off by commas.
中文： 同位語名詞片語（此處為 the project leader）緊跟在名詞（此處為 Andrea Ceccolini）之後，用於解釋或補充說明該名詞的身分或屬性，通常前後會用逗號隔開。
Mr. Smith, the school principal, will give a speech tomorrow.
校長史密斯先生明天將發表講話。
EN： The adverb 'merely' is used to emphasize how small, unimportant, or short a time something is. In this context, it emphasizes that 'only' one year ago, the situation was completely different.
中文： 副詞「merely」用於強調某事物的微小、不重要或時間之短暫。在此語境中，它強調在「僅僅」一年前，情況還完全不同。
She was merely a child when she started playing the piano.
她開始彈鋼琴時，還僅僅是個孩子。
EN： The past perfect tense ('had endured') is used to describe an action that was completed before another past action or a specific past time ('the observation').
中文： 過去完成式（'had endured'）用於描述在過去某個動作或特定過去時間（'the observation'，即觀察）之前就已經完成的動作。
By the time the rescue team arrived, the climbers had endured freezing conditions for three days.
在搜救隊抵達之前，登山者已經忍受了三天的極寒條件。
EN： The present participle phrase ('plunging to...') functions as an adjective modifying the noun 'temperatures', describing an ongoing or active state of rapid decrease.
中文： 現在分詞短語（'plunging to...'）在此作為形容詞修飾名詞 'temperatures'（溫度），描述溫度急劇下降的活躍狀態。
The stock market experienced a sudden shock, with prices plunging to historic lows.
股市經歷了突然的震盪，價格驟降至歷史低點。
EN： The conjunction 'while' followed by a present participle ('while drilling') is a reduced adverbial clause of time, standing for 'while they were drilling', which expresses simultaneous actions.
中文： 連接詞 'while' 後接現在分詞（'while drilling'）是一種簡化的時間副詞子句，代替 'while they were drilling'，用以表示兩個動作同時發生。
Please wear protective goggles while operating the machinery.
操作該機械時請配戴防護護目鏡。
EN： The mention of 'minus forty degrees' (where Celsius and Fahrenheit scales actually meet at -40) highlights the extreme and hostile environment of the Arctic. Conducting scientific research in such conditions requires specialized equipment and immense physical endurance, reflecting the high stakes and urgency of modern climate change mitigation efforts.
中文： 提及「零下四十度」（這也是攝氏與華氏溫度計上唯一的交會點 -40 度）凸顯了北極極端且惡劣的自然環境。在這種條件下進行科學研究需要極為專業的設備與巨大的體能耐力，這反映出當前應對氣候變遷行動的迫切性與高昂代價。
EN： The use of 'where' as a relative adverb introducing a non-defining (non-restrictive) relative clause. In this structure, 'where' is preceded by a comma and adds extra, non-essential information about the location mentioned in the main clause ('the frozen surface'). It can be paraphrased as 'and there'.
中文： 使用關係副詞「where」來引導非限制性關係子句。在此結構中，「where」前面有逗號，用來對主句中提到的地點（「the frozen surface」）補充額外的、非必要的說明。這可以改寫為「and there」（並且在那裡）。
We eventually reached the summit of the mountain, where we paused to admire the breathtaking sunrise.
我們最終抵達了山頂，在那裡我們停下腳步，欣賞令人屏息的日出。
EN： The adverb 'subsequently' is used to indicate that an event happened after something else already mentioned. It is more formal than 'then' or 'afterwards' and is commonly positioned between the subject and the main verb in active sentences.
中文： 副詞「subsequently」（隨後、接著）用於表示某事件發生在已提及的另一件事之後。它比「then」或「afterwards」更為正式，在主動語態的句子中，通常置於主詞與主要動詞之間。
The company launched a new product and subsequently captured a significant share of the market.
該公司推出了一款新產品，隨後奪取了顯著的市場份額。
EN： Approximation modifiers with measurements: 'approximately' is a formal adverb used to modify numerical quantities (like 'fifty thousand tonnes'). It signals scientific or academic precision while acknowledging a slight margin of error.
中文： 測量數值的約數修飾語：「approximately」（大約）是一個正式副詞，用於修飾數量（如「fifty thousand tonnes」）。它在承認有微小誤差範圍的同時，展現出科學或學術上的嚴謹性。
The laboratory synthesized approximately twenty grams of the compound for the initial trial.
實驗室為初步試驗合成了大約二十克的該化合物。
EN： The prepositional phrase 'According to' is used to introduce the source of information or opinion, establishing credibility. It is typically followed by a noun phrase.
中文： 介系詞片語「According to」（根據……）用於引出資訊或觀點的來源，以建立可信度。其後通常接名詞片語。
According to the latest weather forecast, it will snow tomorrow.
根據最新的天氣預報，明天將會下雪。
EN： The verb 'succeed' is followed by the preposition 'in' and a gerund (verb-ing) to express the successful completion of an action.
中文： 動詞「succeed」（成功）後面接介系詞「in」和動名詞（V-ing），用以表示成功完成某項動作。
She succeeded in passing the difficult exam after weeks of studying.
經過幾週的努力，她成功通過了這場艱難的考試。
EN： The structure 'augment [something] by [amount]' is used to specify the exact quantity or degree by which something is increased.
中文： 結構「augment [某物] by [數量]」（將某物增加多少數量）用於明確指出某物增加的具體數量或程度。
The company augmented its workforce by twenty percent this year.
該公司今年將其員工總數增加了百分之二十。
EN： The present perfect tense ('has resisted') is used here to describe a state or action that began in the past and continues to be true or relevant up to the present moment, emphasizing the ongoing result of the geoengineering experiment.
中文： 現在完成式（has resisted）在此用於描述一個始於過去、且直到目前為止仍然屬實或具有相關性的狀態或動作，強調該地工計畫所帶來的持續性結果。
The newly implemented policy has successfully reduced carbon emissions over the past year.
新實施的政策在過去一年中已成功減少了碳排放。
EN： The comparative adverbial phrase 'more effectively than' is used to compare the degree of resistance between two subjects: 'the thickened ice' and 'untreated areas nearby'.
中文： 比較級副詞片語「more effectively than」（比……更有效）用於比較兩個主體在抵抗程度上的差異，即「經增厚的冰層」與「附近未經處理的區域」。
This new solar panel generates electricity more efficiently than older models.
這種新型太陽能板比舊型號更有效率地發電。
EN： The past participle 'thickened' functions as an adjective modifying the noun 'ice', indicating a state that has resulted from an action (the process of making it thicker).
中文： 過去分詞「thickened」在此作形容詞使用，修飾名詞「ice」（冰層），表示因某個動作（使其增厚的過程）所導致的狀態。
The frozen ground made it difficult for the team to drill holes.
結凍的地面使團隊難以鑽孔。
EN： The structure 'The contrast between A and B' is used to compare two distinct entities or conditions. 'Between' is the standard preposition used when comparing two specific groups or items.
中文： 「The contrast between A and B」（A 與 B 之間的對比）結構用於比較兩個不同的實體或狀態。當比較兩個特定的群體或項目時，「between」是標準使用的介係詞。
The contrast between the bustling city and the quiet countryside is stark.
繁華的都市與寧靜的鄉村之間的對比非常鮮明。
EN： The past participle 'treated' and the negative prefixed past participle 'untreated' function as participial adjectives modifying the noun 'ice'. This is a common way in scientific and academic English to describe experimental groups.
中文： 過去分詞「treated」（經處理的）與帶有否定字首的過去分詞「untreated」（未經處理的）在此作為分詞形容詞，修飾名詞「ice」。這是學術與科學英語中描述實驗組與對照組的常用方式。
The researcher compared the treated plants with the untreated ones.
研究人員將經過處理的植物與未經處理的植物進行了比較。
EN： The adjective 'striking' is used to describe something that is highly unusual, dramatic, or attracting attention. It is often paired with linking verbs like 'was' to emphasize a strong visual or conceptual difference.
中文： 形容詞「striking」用於描述非常不尋常、引人注目或戲劇性的事物。它經常與連繫動詞（如「was」）搭配，以強調強烈的視覺或概念差異。
There was a striking resemblance between the two historical events.
這兩起歷史事件之間存在著驚人的相似之處。
EN： The conjunction 'whereas' is used to introduce a subordinate clause that contrasts with the main clause. It is highly formal and typically placed at the beginning of a sentence or between two clauses to highlight a direct opposition or comparison.
中文： 連接詞「whereas」用於引導與主句形成對比的從屬子句。此用法非常正式，通常置於句首或兩子句之間，用以強調直接的對比或對立關係。
Whereas some countries have seen a decline in carbon emissions, others continue to experience rapid increases.
然而，有些國家的碳排放量有所下降，其他國家卻持續經歷快速增長。
EN： The past perfect tense ('had already deteriorated') is used to describe an action that was completed before another action or a specific point in the past. In this sentence, the deterioration of the untreated areas happened prior to the observation or inspection mentioned in the context.
中文： 過去完成式（「had already deteriorated」）用於描述在過去某個動作或特定時間點之前就已經完成的動作。在本句中，未處理區域的退化發生在上下文所提到的觀察或視察之前。
By the time the research team arrived at the site, the ice sheet had already fractured.
當研究團隊抵達現場時，冰架早已破裂。
EN： The noun phrase 'a light dusting of' is an idiomatic expression used to describe a very thin layer of something powdery, most commonly snow, sugar, or flour, gently covering a surface.
中文： 名詞片語「a light dusting of」是一個慣用語，用來形容某種粉末狀物體（最常見的是雪、糖或麵粉）輕輕覆蓋在表面上的極薄一層。
The mountain peaks were beautiful with a light dusting of early autumn snow.
初秋的薄雪輕輕覆蓋著山峰，顯得格外美麗。
EN： The sentence highlights a stark visual contrast that is central to climate science communication: the 'albedo effect'. Brilliant white snow and ice reflect most of the sun's solar radiation back into space, whereas dark blue meltwater ponds absorb heat, accelerating the melting process. This visual contrast is not just aesthetic but represents a critical tipping point in polar feedback loops.
中文： 本句強調了氣候科學傳播中的核心視覺對比：即「反照率效應」（albedo effect）。亮白色的冰雪能將大部分太陽輻射反射回太空，而深藍色的融冰池則會吸收熱量，進而加速融化過程。這種視覺上的強烈對比不僅是美學上的，更代表了極地反饋機制中關鍵的臨界點。
EN： The reporting verb 'noted' is followed by a noun clause introduced by the conjunction 'that', which functions as the direct object of the verb. In formal writing, 'that' is often retained to maintain clarity, especially when the clause contains complex structures.
中文： 引導動詞「noted」（指出）後面接由連接詞「that」引導的名詞子句，作為該動詞的直接受詞。在正式寫作中，通常會保留「that」以保持結構清晰，特別是當子句包含複雜結構時。
The researcher noted that the temperature had risen significantly over the decade.
研究人員指出，這十年間溫度顯著上升。
EN： The word 'literally' is used as an intensifier to emphasize that a statement is entirely true and not a metaphor or exaggeration. In this context, it highlights that the boundary was so distinct that a person could physically point to it.
中文： 「literally」（字面意義上地/確實地）用作加強語氣的副詞，用以強調某個陳述完全屬實，而非比喻或誇張。在此語境中，它強調該邊界是如此清晰，以至於人們真的可以用手指出來。
The wind was so strong that it literally blew the umbrella inside out.
風大到真的把雨傘給吹翻過來了。
EN： The present participle phrase 'separating the two dramatically different surfaces' acts as an adjective modifying the noun 'boundary'. This is a reduced relative clause, shortened from 'which separates...'.
中文： 現在分詞短語「separating the two dramatically different surfaces」用作形容詞，修飾名詞「boundary」（邊界）。這是一個簡化關係子句，由「which separates...」縮減而來。
There is a fence separating the two properties.
有一道圍籬隔開了這兩處房產。
EN： This sentence uses an inverted conditional structure (also known as 'had/were/should inversion') to express a hypothetical situation. In formal English, 'If this approach were to prove...' is inverted by omitting 'if' and placing the auxiliary verb 'were' before the subject. This structure is highly formal and commonly used in academic, journalistic, or professional contexts.
中文： 本句使用了倒裝條件句結構（亦稱為 had/were/should 倒裝）來表示假設情況。在正式英語中，將「If this approach were to prove...」省略「if」，並將助動詞「were」移至主詞之前。這種結構非常正式，常用於學術、新聞或專業寫作中。
Were they to accept our proposal, we would begin the project immediately.
倘若他們接受我們的提案，我們將立即啟動該項目。
EN： The infinitive structure 'to prove + adjective' (here, 'to prove scalable') is used as a linking verb construction meaning 'to turn out to be' or 'to be shown to be'. It is a more formal alternative to 'proves to be'.
中文： 不定詞結構「to prove + 形容詞」（此處為 to prove scalable）用作連繫動詞結構，意思是「結果證明是」或「被證實為」。這是比「proves to be」更為正式的表達方式。
The new strategy has yet to prove effective.
新策略是否有效仍有待證實。
EN： The modal verb 'could' is used here to express a tentative or conditional possibility in the future, dependent on the condition in the 'were' clause. It is less certain than 'would' and more formal than 'might'.
中文： 情態動詞「could」在此處用於表示未來暫定或有條件的可能性，取決於「were」子句中的條件。它比「would」更具不確定性，且比「might」更為正式。
With proper funding, this research could lead to a cure.
有了充足的資金，這項研究可能會帶來治癒方法。
EN： The linking verb 'remain' is used to describe a state that continues to exist. It is followed by an adjective or adjective phrase (here, 'deeply concerning') acting as a subject complement.
中文： 連繫動詞「remain」（仍然是/保持）用於描述持續存在的狀態。其後接形容詞或形容詞片語（此處為「deeply concerning」）作為主詞補語。
Despite the challenges, the overall economic outlook remains highly optimistic.
儘管面臨挑戰，整體的經濟前景依然高度樂觀。
EN： The present participle '-ing' form 'concerning' is used as an adjective meaning 'causing anxiety; worrying'. It is often modified by adverbs of degree such as 'deeply', 'highly', or 'extremely'.
中文： 現在分詞「-ing」形式的「concerning」在此用作形容詞，意思是「令人擔憂的；令人憂慮的」。它經常受到「deeply」（深深地）、「highly」（高度地）或「extremely」（極度地）等程度副詞的修飾。
The sudden drop in student enrollment is deeply concerning to the school board.
學生入學人數的驟降對學校董事會來說是深深刻地令人擔憂的。
EN： The present participle phrase 'working in the region' functions as an adjective phrase modifying the noun phrase 'scientific research teams'. This is a reduced relative clause (short for 'who are working in the region').
中文： 現在分詞片語「working in the region」用作形容詞片語，修飾名詞片語「scientific research teams」。這是一個簡化的關係子句（原為「who are working in the region」）。
The engineers developing the new software are based in Silicon Valley.
開發新軟體的工程師們總部設在矽谷。
EN： The past participle phrase 'known as...' acts as a reduced relative clause (which is known as...) modifying 'Cambridge Bay'. This is a common way to provide supplementary information or alternative names in a concise manner.
中文： 過去分詞片語「known as...」（被稱為……）在此作為簡化的關係子句（原為 which is known as...），用以修飾「劍橋灣」（Cambridge Bay）。這是在英文中提供補充資訊或別名時，非常常用且簡潔的表達方式。
The local delicacy, known as haggis in Scotland, is made from sheep's pluck.
這道當地佳餚在蘇格蘭被稱為哈吉斯（羊雜肚），是由羊的內臟製成的。
EN： The present participle phrase 'far surpassing...' functions as an adverbial clause of result or attendant circumstance, modifying the entire preceding clause. It explains the consequence or extent of the temperatures exceeding five degrees.
中文： 現在分詞片語「far surpassing...」（遠遠超過……）在此用作表示結果或伴隨情況的副詞子句，修飾前面的整個主句。它進一步解釋了氣溫超過五度所帶來的影響或其驚人程度。
The company's annual revenue reached record highs, far surpassing all market expectations.
該公司的年收入創下歷史新高，遠遠超過了所有市場預期。
EN： Cambridge Bay is located in Nunavut, Canada. Its traditional Inuit name, 'Ikaluktutiak' (meaning 'good fishing place'), reflects the deep connection of the indigenous Inuit people to the land and its resources. Using both names acknowledges the colonial history and the ongoing efforts to respect and revitalize indigenous languages and sovereignty in northern Canada.
中文： 劍橋灣位於加拿大努納武特地區。其傳統的因紐特語名稱「伊卡盧克圖蒂亞克」（意為「良好的捕魚場所」），反映了當地原住民因紐特人與土地及自然資源的深厚連結。在報導中同時使用這兩個名稱，展現了對殖民歷史的反思，以及加拿大北部在尊重與復興原住民語言和主權方面所做的持續努力。
EN： The noun phrase 'a phenomenon...' functions as an appositive, renaming and expanding on the entire preceding clause ('conditions were severely out of balance'). This is a sophisticated syntactic device used in formal writing to add commentary or evaluation without starting a new sentence.
中文： 名詞短語「a phenomenon...」（一種現象...）作為同位語，用以重新命名並延伸說明前面整個子句（「情況嚴重失衡」）。這是一種在正式寫作中常用的進階句型結構，能在不開始新句子的情況下添加評論或評估。
The temperature rose by three degrees in a single decade, a trend that alarmed scientists worldwide.
氣溫在短短十年內上升了三度，這一趨勢令全球科學家感到震驚。
EN： The correlative structure 'not confined to... but indicative of...' is a variation of 'not only... but also...', used to contrast a limitation with a broader, more significant truth. Both parts of the correlation are parallel in structure, here using past participles/adjectives ('confined' and 'indicative') followed by prepositions ('to' and 'of').
中文： 相關結構「not confined to... but indicative of...」（不僅限於……而是預示著……）是「not only... but also...」的變體，用於將某種局限性與更廣泛、更重要的事實進行對比。此結構的兩個部分在語法上呈平行對稱，此處皆使用過去分詞/形容詞（「confined」與「indicative」）後接介係詞（「to」與「of」）。
The economic downturn is not confined to the housing market but indicative of systemic financial instability.
經濟衰退不僅限於房地產市場，還預示著系統性的金融不穩定。
EN： The adjective 'indicative' is followed by the preposition 'of' to mean 'serving as a sign or indication of something'. It is a formal, academic alternative to 'shows' or 'indicates'.
中文： 形容詞「indicative」後接介係詞「of」，表示「作為某事物的跡象或暗示」。這是「shows」（顯示）或「indicates」（指出）在正式與學術寫作中的高階替代詞彙。
His hesitant response was indicative of his reluctance to join the project.
他猶豫不決的回答預示著他不願意加入這個項目。
EN： Negative Inversion with 'Not only...': When a negative adverbial phrase like 'Not only' begins a sentence for emphasis, the subject and auxiliary verb (or 'be' verb) are inverted. The structure is 'Not only + auxiliary/be + subject + verb... but (also) ...'.
中文： 否定倒裝句（Not only...）：當「Not only」等否定副詞片語置於句首以示強調時，主詞與助動詞（或 be 動詞）須進行倒裝。其結構為「Not only + 助動詞/be動詞 + 主詞 + 動詞... but (also) ...」。
Not only did they complete the project ahead of schedule, but they also saved the company thousands of dollars.
他們不僅提前完成了專案，還幫公司省下了數千美元。
EN： The preposition 'through' indicating means or agency: Used to show the method, cause, or medium by which something is achieved or happens. In this context, it introduces the mechanism ('reduced reflectivity') that causes the effect ('amplifying global warming').
中文： 介係詞「through」表示手段或原因：用於表示達成某事或某事發生的方法、原因或媒介。在此語境中，它引出了導致「加劇全球暖化」這一結果的機制（「反射率降低」）。
The company expanded its market share through aggressive digital marketing campaigns.
該公司透過積極的數位行銷活動擴大了其市場份額。
EN： This sentence refers to the 'ice-albedo feedback' loop, a critical concept in polar climatology. 'Reflectivity' (or albedo) refers to the ability of ice and snow to reflect solar energy back into space. When white ice melts, it reveals dark ocean water, which absorbs more heat, leading to further warming and more melting. This feedback loop is one of the primary reasons the Arctic is warming much faster than the rest of the globe.
中文： 本句涉及極地氣候學中關鍵的「冰雪反照率回饋」（ice-albedo feedback）機制。「反射率」（或稱反照率）是指冰雪將太陽能反射回太空的能力。當白色的冰雪融化，露出深色的海水時，海水會吸收更多熱量，進而導致溫度進一步上升並加速冰雪融化。這種回饋循環是北極變暖速度遠快於全球其他地區的主要原因之一。
重要單字附有 IPA 發音、定義、例句和互動式測驗。
在本文中： 開創性的、先驅的
在本文中： 產生（效果、收益或產量）
在本文中： 加速的、不斷加快的
在本文中： 難以置信的、不可思議的
在本文中： 增加、增大、加強
在本文中： 顯而易見地、可論證地
在本文中： 顯著的、引人注目的
在本文中： 惡化、退化（此處指冰層融化瓦解）
在本文中： 可擴展的、可按比例放大的
在本文中： 超過、超越
在本文中： 局限於、限制在
在本文中： 表明的、暗示的
在本文中： 史無前例的、空前的
在本文中： 放大、增強
片語包含類型標示、雙語定義、用法說明和例句。
The deliberate large-scale manipulation of an environmental process that affects the earth's climate, in an attempt to counteract the effects of global warming.
地球工程、地質工程
Not in a stable, correct, or healthy state; lacking equilibrium.
失去平衡、失衡
Radiant energy emitted by the sun, particularly electromagnetic energy.
太陽輻射
Moving or changing at a speed that has never been experienced or known before.
以史無前例的速度