立彬の日本語
ヘリコプターはとても役に立つので、いつかは車や汽車に取って代わるかもしれません。
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The helicopter is so useful that someday it may take the place of cars and trains.
1,875
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ヘリコプター， ヘリコプタ
1. helicopter
直升飞机
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とても， とっても， 迚も
1. very, awfully, exceedingly
2. (not) at all, by no means, simply (cannot)
非常
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役に立つ， 役にたつ， やくにたつ
1. to be helpful, to be useful
有帮助的，有用的
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ので， んで
1. that being the case, because of ..., the reason is ..., given that ...
鉴于这种情况：用于引出一个逻辑推理或结论，表示基于前面所述的情况或条件，因此可以得出这样的结论；由于……，所以，原因在于……，鉴于……
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いつかは， 何時かは
1. sooner or later, in due time, in due course
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汽車， きしゃ
1. train (esp. long distance train)
2. steam train
tbd
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取って代わる， とって代わる， とってかわる
1. to supplant, to supersede, to replace, to take the place of
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かもしれない， かも知れない
1. may, might, perhaps, may be, possibly
可能，或许，也许
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
に
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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