翻译和例句:
the globe were coupled with heightened security (高度戒备) after a warning from the US Government about ……
于increase。外媒也以on a heightened state of alert(处于高度戒备状态)来形容“911”十周年前的美国。 21st... on stream next month.step up security加强安全戒备The US’ FBI and Homeland Security have issued ……
will have to live in a state of high alert until we break the back of terrorism.专家说在彻底削弱恐怖主义力量之前,我们必须处于高度戒备 ……
用法:on high alert 高度戒备;alert也可作形容词,用法:on high alert 高度戒备;alert也可作形容词,表示“警惕的,机警的”,be alert to sth 对 ……
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