| 释义 |
alert[ə'lɜ:t]adj. 1 警惕的,警觉的:an alert police officer一名高度警觉的警官be alert to danger对危险保持警惕 2 活跃的,机灵的
n. 1 警戒(状态),戒备(状态) 2 警报;警报期间:An alert sounded and all the fighters took off.警报响起,战斗机全部起飞.Traffic was halted during the alert.警报期间交通都停止了.
vt.使警觉,使警惕;使作好准备;使注意;使意识到;通知:He alerted people to the dangers of smoking.他提醒人们注意吸烟的种种危害.I was hoping he'd alert the police.我当时希望他能通知警方. |