英语词汇“on the alert”的意思、释义、用法及双语翻译-时代网

词汇	on the alert
释义	on the alert watchful 注意；留神 * Drivers must be on the alert for traffic signals. 汽车驾驶员必须注意交通信号。
随便看	chalices chalk chalk and cheese chalkboard chalkboards chalked chalkier chalkiest chalkiness chalking chalkings chalks chalk something up chalk something ↔ up chalk sth up chalk up chalk up something chalk up sth chalky challenge challengeable challenged challenged challenger challengers 芳华芳名芳姿芳容芳年芳径芳心芳时芳林芳泽芳洁芳烃芳烈芳茗芳荃芳草芳菲芳誉芳迹芳邻芳香芳香烃芳馥芳馨芳龄

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