| 单词 | vigilance |
| 释义 | vigilance /vij"euh leuhns/, n. 1. state or quality of being vigilant; watchfulness: Vigilance is required in the event of treachery. 2. Pathol. insomnia. [1560-70; alter. (-ANCE for -ANCY) of obs. vigilancy < L vigilantia; see VIGILANT, -ANCY] Syn. 1. alertness, attention, heedfulness, concern, care. |
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