立彬の日本語

石油が化学製品の材料として用いられるようになったのはごく最近のことである。

tbd

It is only recently that crude oil has come to be used to make chemical products.
797
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石油， せきゆ
1. oil, petroleum 2. kerosene, paraffin
石油
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化学製品， かがくせいひん
1. chemical
tbd
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材料， ざいりょう
1. materials, ingredients 2. material (for a novel, experiment, etc.), subject matter 3. grounds (for a decision, judgement, etc.), basis, evidence, data 4. (market) factor
tbd
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として
1. as (i.e. in the role of), for (i.e. from the viewpoint of) 2. apart from... (used to change the topic) 3. even (e.g. "not even a single person") 4. thinking that..., trying to...
考虑到……，试图……；作为（即以……的身份），对于（即从……的角度）
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用いる， もちいる
1. to use, to make use of, to utilize, to utilise
使用，利用，运用，加以利用
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最近， さいきん
1. recently, lately, these days, nowadays, right now 2. nearest, closest
tbd
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である
1. be, is
是、=です、=だ
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が
が
1. indicates the subject of a sentence 2. indicates possession 3. but, however, (and) yet, though, although, while 4. and 5. used after an introductory remark or explanation 6. regardless of ..., whether ... (or not), no matter ... 7. indicates a des...
tbd
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の
の
1. indicates possessive 2. nominalizes verbs and adjectives 3. substitutes for "ga" in subordinate phrases 4. (at sentence-end, falling tone) indicates a confident conclusion 5. (at sentence-end) indicates emotional emphasis 6. (at sentence-end, risi...
句尾起强调作用；助词，表示所有关系
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様になる{ようになった}
は
は
1. indicates sentence topic 2. indicates contrast with another option (stated or unstated) 3. adds emphasis
指示句子的主题
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極(ごく)[01]{ごく}
事(こと){こと}
こと， 事， 縡
1. thing, matter 2. incident, occurrence, event, something serious, trouble, crisis 3. circumstances, situation, state of affairs 4. work, business, affair 5. after an inflectable word, creates a noun phrase indicating something the speaker does not ...
tbd
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