vigilant [ˈvɪdʒɪlənt]
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基本释义
adj.警觉的,警戒的,警惕的
英英释义
always being careful to notice things, especially possible danger
参考例句
He has to learn how to remain vigilant through these long nights. 他得学会如何在这漫长的黑夜里保持警觉。
The dog kept a vigilant guard over the house. 这只狗警醒地守护着这所房屋。
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