duck and cover

duck and cover

释义:“蹲下并寻找掩护!”这是美国在冷战时期训练学生遭遇核弹攻击时的应对方法,不过事后看来在有效性上很有疑问。

例句:
If you recall the old duck and cover movies and all the old drills, everyone knew about radiation.
What are you supposed to do when you see the flash? "Duck and cover!" everyone chanted.

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