英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Alert的结果
Alert
(a.)
Watchful; vigilant; active in vigilance.
Alert
(a.)
Brisk; nimble; moving with celerity.
Alert
(n.)
An alarm from a real or threatened attack; a sudden attack;
also, a bugle sound to give warning.