立彬の日本語

石炭は大部分が炭素から成っている。

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Coal consists mostly of carbon.
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石炭, せきたん, いしずみ
1. coal
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大部分, だいぶぶん
1. most part, greater part, majority
大部分
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炭素, たんそ
1. carbon (C)
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なる, 成る, 為る
1. to become, to get, to grow, to turn, to reach, to attain 2. to result in, to turn out, to end up, to prove (to be) 3. to consist of, to be composed of, to be made up of 4. to be completed, to be realized, to succeed, to be attained, to be accompli...
成为,达到,取得;变成
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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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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...
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から
から
1. from (e.g. time, place, numerical quantity), since 2. from (originator), by 3. because, since 4. out of (constituent, part) 5. through (e.g. window, vestibule) 6. after, since 7. expresses sympathy or warning
从,自……;因为;被,用于……
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