趣英语 / vigilance造句

vigilance造句

Drugs are a problem that requires constant vigilance.
需要对毒品问题长期保持警惕。

Never relax your vigilance while you live in peace.
你们要居安思危.

Constant vigilance is necessary in order to avoid accidents.
为了避免意外事故,必须经常保持警惕.

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