new
busy(-back) tone的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
動(dòng)詞 busy:
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keep busy with
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actively or fully engaged or occupied
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overcrowded or cluttered with detail
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intrusive in a meddling or offensive manner
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crowded with or characterized by much activity
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(of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line)
