立彬の日本語

彼らは相互に助け合った。

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They gave mutual help to each other.
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相互， そうご
1. mutual, reciprocal
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助け合う， たすけあう
1. to help each other, to cooperate
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彼ら(かれら)
彼ら， 彼等， かれら
1. they, them
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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；表示与另一选项（无论是否明确提及）形成对比；表示强调
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