alert[əˈlə:t]adj.警惕的,机警的,提防的/n.警报,信号,战斗准备,待机状态 ◇alert by radar雷达警戒 on the alert警惕,警觉 ‖ alert and resourceful机敏 alert always随时报警 alert apron待机坪 alert area警戒区 alert commitment战斗值班 alert condition战备等级 alert lamp报警信号灯 alert network警报网 alert police报警 alert post警戒哨 alerting antenna警戒天线 alerting service报警服务,警戒勤务 alertly adv.alertness n.警戒,机敏 Alexander ([ˌæligˈzɑ:ndə]) the Great亚历山大大帝[(公元前356~前323年),波斯国王] |