On Alert 警戒状态 ; 警惕 ; 对 ; 处于警戒状态
xiamen on alert 武装的厦门
on the alert 警惕着 ; 警惕 ; 警戒着
on high alert 处于高级戒备状态 ; 高度警戒
go on alert 进入戒备
Angel on alert 播放器
place on alert 进入战斗准备
security on alert 但将进行风险提示
A bad or unidentified smell can 'make us go on alert, distract us from what we're doing and change our mood,' usually for the worse, she says.
她说，一种坏味道或是来历不明的味道有可能引起人们的警觉，让人分心，并改变人的情绪，通常都是让情绪变得更糟糕。
More than 80,000 soldiers and nearly 400,000 police and paramilitary forces are on alert to provide security for the polls.
八万多名士兵和近40万名警察及准军事人员已经处于戒备状态，准备为选举提供安全保障。
But I insist that the virus is still present, that we need to remain on alert and the resumption of activities will be little by little, not all at once.
但是我坚信流感现在仍然活跃，我们需要继续提高警惕，病毒的反扑是一点一点体现出的，而不是一下子爆发。
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