Vigilance is a noun meaning keeping careful watch for possible danger or difficulties, alertness, watchfulness, or insomnia (medical).
vigilance: n. 指正规的警觉、警惕或警戒，也指医学上的失眠症。
| 单词 | vigilance |
|---|---|
| 音标 | ['vɪdʒɪləns] [ˈvɪdʒələns] |
| 释义 | n.["<正>警觉","警惕","警戒","<医>失眠症"] |
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