网络释义英英释义
报警，使警惕，使认识到，使意识到 n 警戒，戒备,警报 on the alert 警戒着，随时准备着，密切注意着 Alike a 同样的，相像的 vt 一样地，相似地，同样程度地 ..
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be on the alert for 警戒 ; 戒备
be on the alert 注意 ; 警戒 ; 警惕 ; 戒备
Battle Fortress on the alert 战斗要塞警戒之中
Keep on the alert 提防着点
be always on the alert 常备 ; 一种军事思想
not be on the alert 没有防备
put on the alert 处于戒备状态
双语例句原声例句权威例句
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They want to be on the alert for similar buying opportunities.
他们要准备应对类似的购买机会。
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Police are warning the public to be on the alert for suspicious packages.
警方警告公众要警惕可疑包裹。
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They were constantly on the alert not to be taken by surprise.
他们一直处于常备不懈状态以防突然袭击。
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For the first time the W.H.O.raised its alert level from phase four to phase five on April twenty-ninth.
VOA: special.2009.05.06
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because all we konw now it's orange alert, the alert level has gone up or gone down We don't really know what it goes on behind the scene.
我们都知道现在是橙色警报，警戒线时高时低,我们真的不知道,事情背后是如何处理的。
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But it has taken on new urgency,coming one day after the World Health Organization raised its global swine flu alert to Phase 4 on the six-point scale.
VOA: standard.2009.04.28
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