New research links prenatal exposure to Pfas to later development of PMOS
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EN: The past participle phrase 'conducted by...' acts as an adjectival modifier (reduced relative clause) modifying the noun phrase 'A landmark study'. It is equivalent to 'which was conducted by...'.
The report published by the research team received global attention.
EN: The present perfect tense ('has established') is used to describe an action that occurred at an unspecified time in the past but has significant relevance or results in the present.
Scientists have discovered a new method to purify contaminated water.
EN: The correlative structure 'a connection between A and B' is used to link two distinct elements (prenatal exposure and subsequent development) to show their relationship.
There is a clear link between sleep deprivation and cognitive decline.
EN: The term 'forever chemicals' is a popular, non-scientific designation for PFAS (per- and polyfluoroalkyl substances), highlighting their extreme persistence in the human body and the environment. This term has gained significant traction in Western public health discourse and media to emphasize environmental risks.
EN: The structure 'be likely to + verb' is used to express probability. When modified by 'significantly more', it indicates a much higher statistical probability of an event occurring. In this sentence, 'were significantly more likely to have...' compares the probability between two groups.
Patients who skip breakfast are significantly more likely to develop metabolic issues over time.
EN: The relative clause 'who later developed PMOS...' is an adjective clause modifying the noun 'daughters'. The relative pronoun 'who' acts as the subject of the relative clause, and the adverb 'later' indicates a subsequent development in the timeline.
The researchers tracked children who later showed exceptional talent in mathematics.
EN: The prepositional phrase 'by their late teenage years' uses 'by' to mean 'not later than' or 'at some point before'. It establishes a temporal limit or deadline by which the development of the condition occurred.
Most individuals establish their core career goals by their late twenties.
EN: The term 'PFAS' (per- and polyfluoroalkyl substances) refers to a group of synthetic chemicals widely used in consumer products since the 1940s, often called 'forever chemicals' because they do not break down in the environment or the human body. This study highlights a growing public health concern in Western societies regarding environmental toxins and their multi-generational endocrine-disrupting effects, which has sparked intense regulatory debates in both the US and Europe.
EN: The past participle phrase 'formerly referred to as...' functions as a non-restrictive appositive modifier, providing additional historical or alternative naming information about the subject 'PMOS' without restricting its identity.
The country, formerly referred to as Burma, is now officially known as Myanmar.
EN: The passive construction 'is estimated to + infinitive' is used to report beliefs, estimates, or calculations objectively, especially when the exact agent of the estimation is general or unimportant.
The ancient temple is estimated to be over two thousand years old.
EN: The linking verb 'remain' is followed by a past participle ('undiagnosed') functioning as a subject complement, describing a continuing state or condition of the subject.
Despite the investigation, many questions remain unanswered.
EN: The transition from 'polycystic ovary syndrome' (PCOS) to 'polyendocrine metabolic ovarian syndrome' (PMOS) reflects an ongoing shift in the medical community to more accurately describe the condition. Rather than focusing solely on ovarian cysts (which are not always present), the new terminology emphasizes the broader endocrine and metabolic nature of the syndrome, highlighting how medical language evolves with scientific understanding.
EN: The conjunction 'though' is used to introduce a subordinate clause that concedes a point, meaning 'despite the fact that' or 'although'. In formal and academic writing, it is often used to balance a strong claim with a necessary qualification or limitation.
The results of the experiment are promising, though the researchers admit that the sample size was relatively small.
EN: The modal verb 'may' combined with the base verb 'constitute' expresses tentative possibility in academic register. 'Constitute' is a formal synonym for 'be' or 'make up', used here to link a cause (chemical exposure) to an effect (primary driver) without asserting absolute certainty.
These newly discovered documents may constitute the most important evidence in the case.
EN: The passive construction 'is warranted' is highly common in academic and professional English. 'Warrant' as a transitive verb means 'to justify or make necessary'. Using the passive voice ('is warranted') shifts the focus to the action (investigation) rather than who should perform it.
Given the sudden drop in sales, immediate corrective action is warranted.
EN: The phrase 'peer-reviewed paper' refers to a cornerstone of modern scientific integrity. Before a study is published in a reputable journal, it must be evaluated by independent experts (peers) in the same field to ensure its methodology, data, and conclusions are robust. This term highlights the high credibility of the study mentioned in the text.
EN: The phrasal verb 'build upon' (or 'build on') means to use something as a basis for further development. It is commonly used in academic and professional contexts to describe how new research, ideas, or systems expand on existing foundations.
Our new marketing strategy builds upon the success of last year's campaign.
EN: The past perfect tense ('had already linked') is used here to indicate an action that was completed before another action in the past (the publication or conduct of 'this study'). It emphasizes the chronological sequence of scientific discoveries.
By the time the new policy was announced, several studies had already linked the chemical to health risks.
EN: The relative pronoun 'that' introduces a restrictive relative clause ('that had already linked...') modifying the noun 'research'. It specifies which research is being referred to, making it essential to the meaning of the sentence.
The company adopted a technology that had already proven effective in Europe.
EN: Negative Inversion: When negative adverbs or adverbial phrases (such as 'never before', 'rarely', 'seldom', 'hardly') are placed at the beginning of a sentence for emphasis, the subject and the auxiliary verb are inverted (auxiliary verb + subject + main verb).
Never before had she witnessed such an extraordinary natural phenomenon.
EN: Noun Clause as Object: The wh-clause 'how prenatal exposure might contribute to the onset of PMOS in later life' acts as the direct object of the transitive verb 'examined'. The word order within the noun clause remains statement order (subject + verb), not question order.
The committee discussed how the new policy would affect local businesses.
EN: Collocation 'contribute to': The phrasal verb 'contribute to' means to help to cause an event or situation. Here, 'to' is a preposition, so it must be followed by a noun, pronoun, or gerund (in this case, the noun phrase 'the onset of PMOS').
Stress can significantly contribute to high blood pressure.
EN: The present perfect tense ('have argued') is used here to describe an action that began in the past and continues to have relevance, validity, or impact in the present. In academic and journalistic contexts, it introduces a current stance or ongoing debate.
Researchers have argued that early intervention is key to successful treatment.
EN: The noun clause introduced by 'that' functions as the direct object of the reporting verb 'argued'. It allows the writer to report a belief, claim, or fact indirectly.
The committee announced that the project would receive additional funding.
EN: The classifier phrase 'a piece of' is used with the uncountable noun 'evidence' to make it countable. 'Crucial' acts as an attributive adjective modifying 'piece'.
The detective found a crucial piece of evidence hidden in the basement.
EN: In Western scientific and public policy discourse, 'public health advocates' play a critical role in bridging the gap between academic research and government regulation. They often use scientific findings to lobby for stricter environmental laws, such as regulating synthetic chemicals like PFAS.
EN: Apposition is a grammatical relation where a noun phrase is placed next to another noun phrase to identify or explain it. In this sentence, 'a senior scientist with the Environmental Working Group...' is an appositive phrase that provides background information about the subject 'Tasha Stoiber'.
Dr. Aris, a leading expert in marine biology, delivered the keynote address.
EN: Non-defining relative clauses (introduced by 'who' or 'which' and set off by commas) provide extra, non-essential information about a noun. Here, 'who reviewed the study independently' adds detail about Tasha Stoiber but is not required to identify her.
My brother, who lives in New York, is coming to visit next week.
EN: The present participle phrase 'documenting specific harms...' acts as an adjective modifying the noun phrase 'a larger body of evidence'. It is a reduced relative clause, equivalent to 'which documents specific harms...'.
The government released a report outlining the new economic policies.
EN: The mention of the 'Environmental Working Group' (EWG) reflects the prominent role of non-profit advocacy and research organizations in US environmental policy and public health. In the US, such independent groups often review scientific literature and lobby for stricter regulations on synthetic chemicals like PFAS, bridging the gap between academic science and public awareness.
EN: The verb 'comprise' means 'to consist of' or 'to be made up of'. Unlike 'compose', which is typically used in the passive voice ('is composed of'), 'comprise' is used in the active voice to list the constituent parts of a whole. It does not require the preposition 'of' when used actively.
The collection comprises over three hundred rare manuscripts from the medieval period.
EN: The phrase 'most frequently utilized...' is a reduced relative clause (or participle clause) modifying 'synthetic compounds'. It is shortened from 'which are most frequently utilized...'. The past participle 'utilized' is used because the compounds receive the action of being used.
The techniques, originally developed in Japan, are now widely used worldwide.
EN: The suffix '-resistant' is combined with nouns (water, stain, grease) to form adjectives meaning 'able to resist' or 'proof against' the specified substance. This is a highly productive pattern in technical and commercial English.
The new smartphone features a scratch-resistant screen and heat-resistant casing.
EN: PFAS (per- and polyfluoroalkyl substances) are often referred to as 'forever chemicals' in public discourse because they do not break down in the environment or the human body. The suffix '-resistant' highlighted in the sentence reflects the primary commercial appeal of these chemicals, which has led to their widespread use in consumer goods like non-stick cookware, water-repellent clothing, and stain-resistant carpets, despite growing environmental and health concerns.
EN: The phrase 'Were it not for...' is a formal, inverted conditional structure used to express a hypothetical situation in the present or general time (equivalent to 'If it were not for...'). It indicates that the current situation depends entirely on the noun phrase that follows.
Were it not for his timely advice, we might make a terrible mistake.
EN: The main clause uses 'might never have + past participle' to express a hypothetical past possibility or consequence that did not actually happen, fitting into a mixed conditional context where a past result is linked to a general/present condition.
Without your financial support, the project might never have been completed.
EN: The sentence discusses the environmental persistence of PFAS, often referred to as 'forever chemicals' in public health and environmental science. The formal register of the sentence ('Were it not for...', 'permeated... so thoroughly') reflects the serious, academic, and regulatory tone typical of high-level scientific journalism and policy debates in English-speaking countries.
EN: The present perfect tense ('has linked') is used here to describe an action that started in the past and has strong relevance or continuing effects in the present, establishing a foundation of accepted scientific knowledge.
Recent studies have linked high sugar consumption to cardiovascular diseases.
EN: The present participle clause ('raising...') acts as an adverbial clause of result, showing an immediate consequence of the action described in the main clause. It functions similarly to ', which raises...'.
The factory closed down, leaving hundreds of people unemployed.
EN: The past participle 'compromised' is used as an adjective meaning 'weakened or damaged'. It is commonly used in medical and scientific contexts to describe systems (like the immune system) that are not functioning at full capacity.
Patients with compromised immune systems should avoid crowded places.
EN: In Western public health discourse, the regulation of synthetic chemicals like PFAS (often called 'forever chemicals' because they do not break down in the environment) is a highly debated topic. The phrase 'regulatory oversight' refers to the supervision by government bodies (such as the EPA in the US) which environmental advocates argue has been historically insufficient due to industry lobbying.
Key vocabulary words with IPA pronunciation, definitions, example sentences, and interactive quizzes.
Phrases with type tags, bilingual definitions, usage notes, and example sentences.
A popular term for PFAS (per- and polyfluoroalkyl substances), synthetic chemicals that do not break down in the environment or the human body.
An academic article that has been evaluated by other experts in the same field before publication to ensure its quality and scientific integrity.
To use something as a basis or foundation for further development or research.
If it had not been for; used to show that something is the only reason why something else did not happen or is not true.