alertness
🇬🇧/əˈlɜːtnəs/ 🇺🇸/əˈlɜːrtnəs/
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noun [抽象名词] 警戒；机敏
Alcohol causes a loss of judgment and alertness. 酒精会使人丧失判断力和警觉性。
n. 警戒；机敏
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- A short nap can promote alertness and improve performance, which are important when you are at work. 小睡一会儿可以提高机警性，提高工作表现，这在你工作时是很重要的。