alert
ә'lә:t
基本解释
a. 警觉的, 灵敏的, 留心的
n. 警报
vt. 使警觉, 通知, 使意识到
英文释义
n. condition of heightened watchfulness or preparation for action
n. a warning serves to make you more alert to danger
a. engaged in or accustomed to close observation
s. quick and energetic
词形变化
上一个单词：alero
下一个单词：alert always