动词短语
中文翻译：回拨
同义词：
['ring up', 'call back']
例句：
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1. Pleasering me back when you're donewith your work.
请在你完成工作后给我回个电话。
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2. The phone rangtwice before I could answer it.
电话响了两次我才接起来。
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3. Hecalled his friend to askfor directions and then hung upto ring back later.
他打电话给朋友问路，挂断后又回拨给朋友。