托福單詞alert什么意思-alert詞組短語_例句_同義詞_反義詞

alert的意思

vt.使警覺，使意識(shí)到；警告

adj.警惕的，警覺的；留心的

n.警報(bào)；警戒，警惕

alert詞組短語

Red Alert:緊急警報(bào)

Full Alert:高度戒備；片；全面戒備狀態(tài)

Red Alert 2:紅色警戒

Emergency Alert System:緊急報(bào)警系統(tǒng)；緊急警報(bào)系統(tǒng)；應(yīng)急警報(bào)系統(tǒng)；美國(guó)緊急情況預(yù)警系統(tǒng)

Red Alert 3:紅色警戒；紅色警報(bào)；紅警

Alert File:警告文件；警文件

alert同義詞

n.

readiness,preparedness,preparation,warning,signal,signaling,sign

v.

warn

adj.

argus-eyed,open-eyed,vigilant,wakeful,watchful,fly,heads-up

alert反義詞

n.

unalert,unintelligent,stupid,unconscious,unaware,incognizant

alert例句

1.He alerted certain Order members at once.'

他立刻通知了鳳凰社的相關(guān)成員。”

2.There are avalanche alerts for parts of Austria and the Alps.

奧地利和阿爾卑斯山脈部分地區(qū)有雪崩預(yù)警。

3.Do not just react to endless email alerts.

不要只是機(jī)械地回應(yīng)無休止的郵件。

4.Sometimes,severe weather alerts can be a little confusing.

有時(shí),惡劣天氣警報(bào)可能會(huì)讓人有些迷惑。

5.Oh!So your brain will stay alert?

哦！所以你的大腦會(huì)處于警覺狀態(tài)？

6.Kerry said every U.S.embassy and foreign mission will be alerted to this decision.

克里說每個(gè)美國(guó)使館和外交使團(tuán)都對(duì)這一決定保持警惕。

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