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为什么这里用的是被动语态,比如be prepared ?和prepare有什么不同吗?

teacher

母语人士的回答

Rebecca

Be prepared意味着保持准备。另一方面, prepare只是一次行为。 Ex: Be prepared for a fire in your home by owning a fire extinguisher. (在家中配备灭火器并为火灾Ex: Prepare for the storm that is coming tomorrow. 。) Ex: Prepare for the storm that is coming tomorrow. (明天要准备台风。)

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04/24

通过测验完成表达式!

当它这样做时,我们必须做好准备。