英语词汇“on the alert”的读音、翻译、释义、用法及例句-开邑网

词汇	on the alert
释义	on the alerton the alert1.■警戒着, 随时准备着, 密切注意着Drivers must be on the alert for traffic signals.驾驶员必须密切注意交通信号。
随便看	central reti-nitis central rift central rod central roll central row of reflexions central rupture of spleen central scanning loop central scotoma central screw central scrip bank central second hand central securities depository central separable algebra central separator central series central serous chorioretinopathy central serous retinopathy central service central seta central shaft central sheath central sheet central shutter central siphon central site

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