alert ә'lә:t
释义
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
过去分词: alerted 过去式: alerted 现在分词: alerting 第三人称单数: alerts 复数: alerts
BNC词频排名: 4,966 | 当代语料库词频排名: 5,318