| 释义 |
alert/əˈlɜ:t/ adj., n. & v.●adj. 1 watchful or vigilant; ready to take action 警惕的，警觉的 2 nimble (esp. of mental faculties); attentive (尤指思维)敏捷的，活跃的；专注的 ●n. 1 a warning call or alarm 警示，警报 2a a warning of an air raid 空袭警报 b the duration of this 空袭警报期 ●v. tr. (often foll. by 常后跟 to) make alert; warn 报警，警告 were alerted to the danger 得到危险警告 □ on the alert on the lookout against danger or attack 警惕监视(危险或袭击) □ alertly adv.□ alertness n.[French alerte from Italian all' erta ‘to the watchtower’] |