单词：vigilance
[医] 不眠症, 警醒症
n vigilant attentiveness
考试类型：[托福]
vigilance的用法和样例：
例句
- In spite of vigilance a polar bear escaped from the zoo.尽管警戒很严，北极熊还是逃出了动物园。
- Police's vigilance was eventually rewarded.警方时时警戒终有所获。
- We must maintain keen vigilance at all times.任何时候我们都要保持高度的警惕。
- You cannot afford to relax your vigilance for a moment.警惕性是万万不可放松的。
词汇搭配
- vigilance committee <美>警戒会
- vigilant警戒的
经典引文
The Home Secretary..urged greater public vigilance after the..bombing.
出自：Guardian
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