EN： The present perfect tense ('has emerged') is used here to describe a recent event that has current relevance or results in the present, often used in news reporting to introduce new information.
中文： 此處使用現在完成式（'has emerged'）來描述一個最近發生且對現在具有關聯性或影響的事件，在新聞報導中常用於引入最新消息。
A rare manuscript has emerged from the private collection of a local historian.
一份珍貴的手稿已從當地歷史學家的私人收藏中浮現。
EN： The non-defining relative clause introduced by 'where' provides additional, non-essential information about the noun phrase 'the depths of Norwegian waters'. It is separated by a comma and cannot be replaced by 'that'.
中文： 由 'where' 引導的非限定關係子句，針對名詞片語 'the depths of Norwegian waters'（挪威海域深處）提供額外的、非必要的補充說明。其前方有逗號隔開，且不能用 'that' 代替。
They visited the ancient ruins, where they discovered several intact clay pots.
他們參觀了古代遺跡，並在那裡發現了幾個完好無損的陶罐。
EN： The adverb 'remarkably' modifies the adjective 'intact', demonstrating how an adverb of degree can be used to intensify an adjective before a noun ('remarkably intact 18th-century shipwreck').
中文： 副詞 'remarkably'（極其地）修飾形容詞 'intact'（完好無損的），展示了程度副詞如何用來加強名詞前形容詞的語氣（'remarkably intact 18th-century shipwreck'，保存極其完好的 18 世紀沉船）。
The painting remained remarkably bright despite being stored in a damp basement for decades.
儘管在潮濕的地下室裡存放了數十年，這幅畫作依然保持得極其鮮豔。
EN： The Skagerrak Strait is a historically significant shipping lane connecting the North Sea and the Baltic Sea. Due to its cold, brackish waters and low levels of wood-boring shipworms (such as Teredo navalis), shipwrecks in this region of Northern Europe are often preserved in remarkably pristine condition compared to warmer marine environments.
中文： 斯卡格拉克海峽是連接北海和波羅的海、在歷史上極具重要性的航道。由於北歐該地區的海水溫度低、鹽度適中，且較少有會啃食木材的船蛆（如船蛆 Teredo navalis），因此與溫暖的海域相比，此處的沉船往往能保存得極其完好。
EN： The use of a past participle phrase ('situated off...') acting as an adjective to modify the noun ('The vessel'). It is a reduced relative clause, shortened from 'which is situated off...'.
中文： 使用過去分詞短語（'situated off...'）作為形容詞來修飾名詞（'The vessel'）。這是一個簡化的關係子句，由 'which is situated off...' 縮減而來。
The castle, built on a steep hill, overlooks the entire valley.
這座建在陡峭山丘上的城堡，俯瞰著整個山谷。
EN： The nominal relative pronoun 'what' functions as 'the thing(s) that', introducing a noun clause ('what experts have characterized as...') which acts as the direct object of the verb 'contains'.
中文： 關係代名詞 'what' 相當於 'the thing(s) that'（所...的事物），引導名詞子句（'what experts have characterized as...'）作為動詞 'contains' 的直接受詞。
The museum displays what historians believe to be the oldest map of the region.
博物館展出了歷史學家認為是該地區最古老的地圖。
EN： The structure 'characterize A as B' is used to describe the distinctive character or nature of someone or something. In this passive/relative structure, 'A' is represented by the relative pronoun 'what'.
中文： 結構 'characterize A as B'（將 A 描繪/歸類為 B）用於描述某人或某事物的獨特特徵或性質。在此關係子句結構中，'A' 由關係代名詞 'what' 所代表。
Critics characterized the film as a masterpiece of modern cinema.
影評人將這部電影譽為現代電影的傑作。
EN： Apposition is a grammatical relation where two nouns or noun phrases are placed side by side, with one element serving to identify or define the other. Here, 'director of the Norwegian Directorate for Cultural Heritage' is an appositive noun phrase that identifies 'Hanna Geiran'. It is set off by commas.
中文： 同位語（Apposition）是一種語法關係，指將兩個名詞或名詞短語並列放置，其中一個成分用來識別或定義另一個成分。在本句中，「director of the Norwegian Directorate for Cultural Heritage」（挪威文化遺產局局長）是一個同位語短語，用來識別「Hanna Geiran」（漢娜·蓋蘭），並用逗號隔開。
Dr. Aris, a leading expert in marine biology, conducted the deep-sea research.
海洋生物學領域的領先專家阿里斯博士進行了這項深海研究。
EN： The adjective 'unlike' is used as a prepositional adjective meaning 'different from' or 'not typical of'. It is followed by a noun phrase ('anything previously unearthed...') to show contrast.
中文： 形容詞「unlike」在此處作介系詞性形容詞使用，意思是「與……不同」或「非……的典型特徵」。其後接名詞短語（「anything previously unearthed...」）以表示對比。
The climate of this region is unlike anything I have ever experienced.
這個地區的氣候與我所體驗過的任何地方都截然不同。
EN： The past participle 'unearthed' functions as a reduced relative clause (short for 'that was previously unearthed') modifying the pronoun 'anything'. This is a common way to make sentences more concise in formal English.
中文： 過去分詞「unearthed」（發掘）在此處充當簡化關係子句（為「that was previously unearthed」的縮寫），修飾代名詞「anything」。這是正式英語中使句子更簡潔的常用方法。
The artifacts recovered from the site date back to the Bronze Age.
從該遺址中回收的文物可以追溯到青銅時代。
EN： The passive voice ('was initially made by') is used here to shift the focus of the sentence to the discovery ('the find') rather than the person who made it. This is a common stylistic choice in journalism and formal writing to emphasize the result or object of an action.
中文： 此處使用被動語態（「was initially made by」）將句子的焦點轉移到這項發現（「the find」）上，而非做出發現的人。這是新聞報導和正式寫作中常用的修辭手法，用以強調動作的結果或對象。
The decision was ultimately made by the board of directors after hours of deliberation.
經過數小時的商討，該決定最終由董事會做出。
EN： The non-defining relative clause introduced by 'who' ('who simultaneously operates...') provides additional, non-essential information about the noun phrase 'a watch designer'. It is separated from the main clause by a comma, indicating that the sentence would still be grammatically complete and clear without it.
中文： 由「who」引導的非限制性關係子句（「who simultaneously operates...」）提供了關於名詞片語「a watch designer」（鐘錶設計師）的額外非必要資訊。它與主句用逗號隔開，表示即使沒有此子句，句子在語法上依然完整且意思明確。
She introduced me to her brother, who works as a software engineer in Silicon Valley.
她把我介紹給她哥哥，他在矽谷擔任軟體工程師。
EN： The adverb 'simultaneously' is used to describe two actions or states occurring at the exact same time. In professional contexts, it highlights multitasking or dual roles, adding a sense of efficiency or complexity to the subject's activities.
中文： 副詞「simultaneously」（同時地）用於描述兩個動作或狀態在同一時間發生。在專業語境中，它強調多工處理或雙重角色，為主角的活動增添了一種高效或複雜的色彩。
The system is designed to simultaneously process transactions and update inventory records.
該系統旨在同時處理交易並更新庫存記錄。
EN： The term 'remotely operated vehicle' (ROV) refers to tethered underwater mobile devices, which are highly crucial in modern marine archaeology. The mention of a 'watch designer' operating such high-tech equipment highlights a growing trend of citizen science and private-sector involvement in archaeological discoveries, where advanced hobbies or dual careers lead to significant historical finds.
中文： 「remotely operated vehicle」（遙控潛水器，簡稱 ROV）是指有線連接的水下移動裝置，在現代海洋考古學中至關重要。文中提到一位「鐘錶設計師」操作如此高科技的設備，突顯了公民科學以及私營部門參與考古發現的日益增長的趨勢，即先進的業餘愛好或雙重職業生涯能為重大歷史發現做出貢獻。
EN： The phrase 'Were it not for...' is a formal, inverted conditional structure used to express that something is entirely dependent on a specific factor. It is equivalent to 'If it were not for...' and is used for hypothetical situations in the present or general untruths. In this sentence, it sets up a mixed or past hypothetical context where his expertise is a constant fact, but its absence would have changed a past/ongoing outcome.
中文： 「Were it not for...」是一種正式的倒裝虛擬語氣結構，用於表示某事完全取決於某個特定因素。它等同於「If it were not for...」，用於表示與現在事實相反或假設的情況。在此句子中，它設定了一個虛擬背景：若非他擁有這項專業知識（既定事實），過去或持續的結果將會改變。
Were it not for your timely advice, I would not be in this successful position today.
若非因為你及時的建議，我今天就不會取得如此成功的地位。
EN： The modal structure 'might have + past participle' (might have gone) is used to express a past possibility that did not actually happen. It indicates that under different circumstances (i.e., without his expertise), the outcome of the discovery remaining unnoticed was highly possible.
中文： 情態助動詞結構「might have + 過去分詞」（might have gone）用於表示過去可能發生但實際上並未發生的事情。這表明在不同的情況下（即沒有他的專業知識），這項發現不被注意的結果是非常有可能發生的。
We might have missed the train if we hadn't taken a taxi.
如果我們當時沒有坐計程車，我們可能就錯過火車了。
EN： The verb 'go' can function as a copular (linking) verb meaning 'to become' or 'to remain in a certain state', typically followed by an adjective with a negative connotation (e.g., gone unnoticed, gone mad, gone wrong). Here, 'gone unnoticed' means 'remained undetected or ignored'.
中文： 動詞「go」可以作為連繫動詞，意思是「變得」或「保持某種狀態」，通常後面接具有否定意味的形容詞（例如：gone unnoticed 沒被注意到、gone mad 變瘋、gone wrong 出錯）。在這裡，「gone unnoticed」表示「一直未被發現或被忽視」。
Many minor offenses go unpunished because the police lack resources.
許多輕微的違法行為因為警方缺乏資源而未受懲罰。
EN： The present perfect tense ('has revealed') is used here to describe a past action (the imagery revealing the items) that has strong relevance and results in the present, commonly used in news reporting to introduce new information.
中文： 現在完成式（has revealed）在此處用於描述過去發生的動作（影像顯示出物品），該動作與現在有著強烈的關聯性並帶來現狀，這在新聞報導中常用於引入最新發現或訊息。
Recent research has revealed a strong connection between sleep quality and cognitive performance.
最近的研究已顯示出睡眠品質與認知表現之間存在著強烈關聯。
EN： The present participle phrase ('resting on the ocean floor...') acts as an adjective modifying the preceding nouns ('porcelain dishes and numerous artifacts'). It describes a continuous state or ongoing situation in a concise manner.
中文： 現在分詞短語（resting on the ocean floor...）在此作為形容詞修飾前面的名詞（porcelain dishes and numerous artifacts）。它以簡練的方式描述了一種持續的狀態或正在發生的情況。
We watched the autumn leaves falling gently on the wet pavement.
我們看著秋天的落葉緩緩飄落在濕漉漉的人行道上。
EN： The preposition 'amid' (or 'amidst') is a literary and formal preposition meaning 'in the middle of' or 'surrounded by'. It is frequently used in written English and journalism to describe physical surroundings or abstract circumstances.
中文： 介係詞「amid」（或 amidst）是一個具文學色彩且正式的介係詞，意為「在……之中」或「被……環繞」。它經常被用於書面英語和新聞報導中，用以描述物理環境或抽象背景。
The historic cottage stood beautifully amid the towering pine trees.
這棟歷史悠久的小屋優美地聳立在巍峨的松樹林之中。
EN： The present perfect passive voice ('have been identified') is used to describe actions that occurred at an unspecified time in the past and have relevance to the present, focusing on the recipient of the action rather than the agent.
中文： 現在完成式的被動語態（have been identified）用於描述在過去不特定時間發生且與現在相關的動作，其焦點在於動作的承受者而非執行者。
Several ancient shipwrecks have been discovered in this region over the past decade.
在過去的十年中，該地區已發現了幾艘古代沉船。
EN： The prepositional phrase 'alongside' is used to mean 'together with' or 'in addition to', often employed in formal or descriptive writing to introduce accompanying items or facts.
中文： 介系詞片語「alongside」意為「與……一起」或「除……之外」，常用於正式或描述性寫作中，以引入伴隨出現的項目或事實。
The museum displayed the newly found coins alongside historical maps of the trade routes.
博物館展示了新發現的硬幣，以及貿易路線的歷史地圖。
EN： The adverbial phrase 'thus far' is a formal equivalent of 'so far' or 'up to now', indicating that the situation described has been true up to the present moment but may change in the future.
中文： 副詞片語「thus far」是「so far」或「up to now」的正式說法，表示所描述的情況截至目前為止是真實的，但未來可能會發生變化。
No significant damage to the hull has been reported thus far.
迄今為止，尚未收到船體嚴重受損的報告。
EN： The mention of 'Chinese porcelain' in an 18th-century shipwreck context reflects the historical global trade network. During this period, Chinese porcelain (often referred to as 'white gold') was a highly prized luxury import in Europe, symbolizing wealth and high social status. Its discovery in Norwegian waters highlights the extensive reach of maritime trade routes connecting East Asia to Northern Europe.
中文： 在18世紀沉船背景中提到「中國瓷器」，反映了當時的全球貿易網絡。在那個時期，中國瓷器（常被稱為「白金」）在歐洲是極受珍視的奢侈進口品，象徵著財富與高貴的社會地位。在挪威海域發現這些瓷器，突顯了連接東亞與北歐的海上貿易路線之廣闊。
EN： The past participle phrase 'believed to contain grain' acts as an adjective modifying the noun phrase 'Several barrels'. This is a reduced relative clause, shortened from 'which were believed to contain grain'. This structure is highly common in formal and academic writing to pack information efficiently.
中文： 過去分詞短語「believed to contain grain」（被認為裝有穀物）在此作為形容詞，修飾名詞短語「Several barrels」（幾桶）。這是關係子句的簡化，原句為「which were believed to contain grain」。這種結構在正式與學術寫作中非常常見，能有效率地整合訊息。
The artifacts believed to belong to the Mayan civilization were carefully cataloged.
被認為屬於馬雅文明的文物被仔細地編目登記。
EN： The passive voice 'were also documented' is used here because the agent (the archaeologists or researchers who did the documenting) is less important than the action and the object being documented. This is standard in scientific and historical reporting to maintain objectivity.
中文： 此處使用被動語態「were also documented」（也被記錄下來），是因為執行動作的主體（進行記錄的考古學家或研究人員）比起動作本身以及被記錄的對象而言，顯得不那麼重要。這在科學與歷史報告中是標準用法，用以保持客觀性。
Several rare species of birds were also observed during the expedition.
在探險期間，幾種稀有鳥類也被觀察到了。
EN： Negative Inversion with 'Not only...': When 'not only' is placed at the beginning of a sentence for emphasis, it triggers subject-auxiliary inversion in the first clause. The auxiliary verb (here, 'have') comes before the subject ('rows of sealed crates'). The second clause is introduced by 'but' (often accompanied by 'also') and maintains normal word order.
中文： 否定倒裝句（Not only...）：當「not only」置於句首以示強調時，第一個子句須進行主詞與助動詞倒裝。助動詞（此處為 have）移至主詞（rows of sealed crates）之前。第二個子句由「but」引導（常伴隨 also），並保持正常語序。
Not only did they complete the project ahead of schedule, but they also remained within the budget.
他們不僅提前完成了專案，而且還控制在預算之內。
EN： Participle Clauses (Adverbial Participle): The present participle phrase 'heightening...' acts as an adverbial clause of result, modifying the entire preceding main clause. It indicates that the situation described in the main clauses directly causes the heightened anticipation.
中文： 分詞片語（副詞分詞）：現在分詞片語「heightening...」在此作為表示結果的副詞子句，修飾前面整個主句。它指出主句所描述的情況直接導致了研究人員期待感的加深。
The company released a statement, clarifying their position on the new policy.
該公司發表了一份聲明，闡明了他們對新政策的立場。
EN： The subordinating conjunction 'while' is used here to contrast two parallel situations or facts, functioning similarly to 'whereas'. It establishes a comparison between what the first crate contains versus what the second crate holds.
中文： 從屬連接詞「while」在此處用於對比兩個平行的情況或事實，功能類似於「whereas」（然而/而）。它在第一個板條箱所裝物品與第二個板條箱所裝物品之間建立對比。
Some researchers prefer to analyze quantitative data, while others focus on qualitative case studies.
一些研究人員偏好分析定量數據，而另一些人則專注於定性案例研究。
EN： The adverb 'potentially' is used to modify the present participle 'including', indicating that the inclusion of the specified items (tea, herbs, medicinal substances) is a strong possibility but not yet fully confirmed.
中文： 副詞「potentially」（可能地）在此處修飾現在分詞「including」（包括），表示包含所列項目（茶葉、草藥、藥用物質）具有極大的可能性，但尚未完全證實。
The excavation uncovered several ancient tombs, potentially dating back to the Bronze Age.
這次挖掘發現了幾座古墓，可能可以追溯到青銅時代。
EN： The verb 'appear' followed by an infinitive ('to contain') is used as a hedging device to express tentative assertions, indicating that the statement is based on available evidence but remains to be verified.
中文： 動詞「appear」後接不定詞（「to contain」）用作一種「語意修飾/避險語」（hedging），以表達不確定性的斷言，表明該陳述是基於現有證據，但仍有待驗證。
The manuscript appears to be written in a rare medieval dialect.
這份手稿似乎是用一種罕見的中世紀方言寫成的。
EN： This sentence employs an inverted conditional structure (conditional inversion) where 'Should' replaces 'If' and the subject-verb order is inverted. This is a highly formal register used to express a hypothetical situation in the future or present, equivalent to 'If these organic materials should prove...'.
中文： 本句使用了倒裝條件句結構（條件倒裝），以「Should」取代「If」，並將主詞與動詞順序倒裝。這是一種高度正式的語體，用於表示對現在或未來情況的假設，等同於「If these organic materials should prove...」。
Should you require any further assistance, please do not hesitate to contact our office.
若您需要進一步的協助，請隨時與我們的辦公室聯絡。
EN： The verb 'prove' is used here as a copular (linking) verb meaning 'to turn out to be' or 'to be found to be'. It is followed by an infinitive phrase ('to be authentically preserved') acting as the subject complement.
中文： 動詞「prove」在此處用作連繫動詞，意思是「結果是」或「被發現是」。其後接不定詞片語（「to be authentically preserved」）作為主詞補語。
The initial reports proved to be highly inaccurate.
最初的報告證實是非常不準確的。
EN： The modal verb 'would' is used in the main clause ('they would constitute...') to express a hypothetical result or consequence of the conditional clause introduced by 'Should'. This maintains the conditional harmony of the sentence.
中文： 主要子句中使用情態動詞「would」（「they would constitute...」）來表示由「Should」引導的條件子句所產生的假設性結果或後果。這維持了句子條件語氣的一致性。
Without your timely intervention, the project would fail.
若沒有你及時的干預，該專案將會失敗。
EN： The passive structure 'has been attributed to' is used to explain the cause of a current state or situation. 'Attribute A to B' means to believe that A is the result of B; in its passive form, 'A has been attributed to B' emphasizes the result (A) and presents the cause (B) objectively, which is highly common in academic and formal journalistic writing.
中文： 被動結構「has been attributed to」（被歸因於）用於解釋某個現狀或情況的原因。主動結構「attribute A to B」表示認為 A 是 B 的結果；在被動語態中，「A has been attributed to B」強調結果（A）並客觀地呈現原因（B），這在學術和正式的新聞寫作中非常常見。
The sudden increase in sales has been attributed to the successful social media campaign.
銷售額的突然增長被歸因於成功的社群媒體宣傳活動。
EN： The non-defining relative clause introduced by ', which' is used to add extra, non-essential information about the preceding noun phrase ('the wreck's considerable depth'). Unlike defining relative clauses, it is preceded by a comma and cannot use the pronoun 'that'.
中文： 由「, which」引導的非限定關係子句，用於對前面的名詞片語（「the wreck's considerable depth」，即沉船相當深的深度）添加額外的、非必要的補充說明。與限定關係子句不同，它前面必須有逗號，且不能使用代名詞「that」。
The museum houses a rare collection of ancient coins, which was donated by a local philanthropist.
這家博物館收藏了罕見的古代錢幣，這些錢幣是由當地的一位慈善家捐贈的。
EN： The verb pattern 'shield someone/something from something' is used to describe protection from danger, damage, or unpleasant experiences. 'From' is the preposition that introduces the source of potential harm.
中文： 動詞句型「shield someone/something from something」（保護某人/某物免受某事物的侵害）用於描述保護其免受危險、損害或不愉快經歷的影響。介係詞「from」用來引出潛在傷害的來源。
The thick concrete walls shield the laboratory equipment from external electromagnetic interference.
厚實的混凝土牆保護實驗室設備免受外部電磁干擾。
EN： The introductory 'it' acts as a preparatory (or dummy) subject, shifting the real subject—the infinitive phrase 'to encounter such well-maintained 18th-century maritime remains'—to the end of the clause for better sentence balance.
中文： 引導詞「it」作為形式主語（或虛設主語），將真正的主語——不定詞片語「to encounter such well-maintained 18th-century maritime remains」——移至子句末尾，以使句子結構更為平衡。
It is extremely difficult to locate the ancient ruins without a local guide.
沒有當地導遊，要找到那座古代遺跡是極其困難的。
EN： The present participle clause 'making this find...' functions as an adverbial clause of result, modifying the entire preceding clause. It describes the consequence or effect of the main situation.
中文： 現在分詞引導的子句「making this find...」用作結果狀語子句，修飾前面整個子句，用以描述主句情況所帶來的後果或影響。
The heavy rain continued for hours, causing severe flooding in the low-lying areas.
大雨持續了數小時，導致低窪地區嚴重淹水。
EN： The comparative modifier 'all the more' is used before comparative adjectives (like 'more scientifically significant') to mean 'even more' or 'especially,' emphasizing that a specific circumstance increases the quality described.
中文： 比較級修飾語「all the more」用於比較級形容詞（如「more scientifically significant」）之前，意為「更加」或「格外」，用以強調特定情況使所描述的特質更為顯著。
Her dedication to the project made her success all the more inspiring.
她對該專案的奉獻，讓她的成功顯得更加鼓舞人心。
EN： The subordinating conjunction 'as' is used here to express simultaneous actions or developments, meaning 'at the same time that' or 'in proportion to the fact that'. It establishes a temporal and causal link between the preparation of the archaeologists and the status of the shipwreck.
中文： 從屬連接詞「as」在此處用於表示同時發生的動作或發展，意為「在……的同時」或「隨著……」。它在考古學家的準備工作與沉船所呈現的狀態之間，建立了時間與因果上的聯繫。
As the technology improves, scientists are able to explore deeper parts of the ocean.
隨著技術的進步，科學家們能夠探索更深的海域。
EN： The phrasal verb 'stand as' means to serve as, represent, or be a prominent example of something. It is often used in formal writing to describe how an object or concept is perceived in a particular role.
中文： 片語動詞「stand as」意為「作為、代表」或「充當……的顯著範例」。它常用於正式寫作中，用以描述某個物體或概念在特定角色下所呈現的形象或地位。
The ancient ruins stand as a monument to the region's rich cultural heritage.
這些古代遺跡是該地區豐富文化遺產的歷史見證。
EN： The present participle phrase 'offering...' acts as an adjective modifying the noun phrase 'a compelling underwater time capsule'. This is a reduced relative clause (which offers...) used to provide additional active information about the noun.
中文： 現在分詞短語「offering...」在此作為形容詞，修飾名詞短語「a compelling underwater time capsule」（一個引人入勝的水下時間膠囊）。這是一個簡化的關係子句（which offers...），用於提供關於該名詞的主動性補充說明。
The museum opened a new exhibition, attracting thousands of visitors in its first week.
博物館開設了一個新展覽，在第一週就吸引了數千名遊客。
EN： The term 'time capsule' is metaphorically used in archaeology to describe a site or object that has been perfectly preserved, sealing in historical evidence from a specific moment in time. The Skagerrak Strait shipwreck, due to its extreme depth and lack of oxygen, acts as a physical time capsule of 18th-century Northern European maritime trade.
中文： 「時間膠囊」（time capsule）一詞在考古學中常被隱喻性地用來形容保存極其完好的遺址或器物，它們封存了特定歷史時刻的證據。斯卡格拉克海峽的這艘沉船由於所處水域極深且缺氧，恰好充當了18世紀北歐海上貿易的實體時間膠囊。
重要單字附有 IPA 發音、定義、例句和互動式測驗。
在本文中： 非凡的、令人驚嘆的
在本文中： 完好無損的
在本文中： 出土、發掘
在本文中： 專門知識、專長
在本文中： 無限期地
在本文中： 期待、預期
在本文中： 真實地、真正地
在本文中： 構成、組成
在本文中： 降解、退化、損壞
在本文中： 隨後的、接續的
片語包含類型標示、雙語定義、用法說明和例句。
An unoccupied, highly maneuverable underwater robot controlled by a person on a surface vessel.
遙控潛水器（ROV）
A container or situation that preserves items or information from a particular period, providing a vivid representation of that time.
時間膠囊
Systems of commercial shipping routes and connections by sea between different regions.
海上貿易網絡