英文hand in是什么意思,hand in翻译解释,hand in中文 ... - 给力大辞典

hand in. 交上, 递交. 例句与用法：. Please hand in your paper before June thirtieth. 请在六月三十日前交论文。 He held up his hand in amazement. 他惊骇地举起了 ...

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