问题标题:
thisflowerpotisbroken.whoknockedit___knockoverknockoff有什么区别,
问题描述:
thisflowerpotisbroken.whoknockedit___knockoverknockoff有什么区别,
冯红回答:
over吧,打翻
knockoffoff是介词,要加宾语=knockdownfrom
比如Iknockedthebottleoffthetable.
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