立彬の日本語

燃料としては石油が石炭に代わりつつあった。

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Petroleum was replacing coal as fuel.
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燃料, ねんりょう
1. fuel
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としては, としちゃ, としちゃあ
1. as (for), for, in the capacity of
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石油, せきゆ
1. oil, petroleum 2. kerosene, paraffin
石油
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石炭, せきたん, いしずみ
1. coal
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替わる, 代わる, 換わる, 替る, 代る, 換る, かわる
1. to succeed, to relieve, to replace 2. to take the place of, to substitute for, to take over for, to represent, to hand over (telephone) 3. to be exchanged, to change (places with), to switch
替,代替;替换;接替
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つつある
1. to be doing, to be in the process of doing
正在做,正在进行中
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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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1. at (place, time), in, on, during 2. to (direction, state), toward, into 3. for (purpose) 4. because of (reason), for, with 5. by, from 6. as (i.e. in the role of) 7. per, in, for, a (e.g. "once a month") 8. and, in addition to 9. if, although
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