alert怎么读,alert的音标和真人发音
英音  [ə'lɜ:t]    
美音 [əˈlɚt]    

alert是什么意思,alert的意思是

adj.警觉的,警惕的,注意的;思维敏捷的;活泼的
n.警报;警戒状态
vt.向…报警

alert 记忆方法

alert的词根或词缀是: erg  ert  

alert 变化形式

复数: alerts
第三人称单数: alerts
过去式: alerted
过去分词: alerted
现在分词: alerting
易混淆的单词: AlertALERT
所属分类: CET4TEM4GRE考 研TOEFLCET6
使用频率:
星级词汇:

alert的词源和记忆技巧

alert 警醒的
来自意大利语all’erta. -erta, 同 erect,竖直。即全部到城墙上守城。

alert 的用法和双语例句“点击”或“选中”例句中的单词,就可以看到词义解释

The erroneous alert also contained possible changes to the credit rating of french banks .
错误警报也可能意味着对法国银行业信用评级的下调。
He added that police had urged other embassies to raise their alert levels .
他补充说,意大利警方已要求其它大使馆提高警戒级别。
South korean and us forces in the region have been placed on the second-highest alert level .
在那一地区的韩国军队和美国军队都处于第二最高的警戒级别。
Helen takes a breath , listens , every nerve ending on red alert .
海伦吸了口气,努力倾听,每一根神经都处在红色警戒状态。
Viewers are regularly reminded of the government 's terror alert level , although it seldom changes .
观众通常被提醒告知政府的恐怖警戒等级,但后者一般后少作出更改。
On april 4th an alert went out around the university of texas at austin .
4月4日,警报在位于奥斯丁的德克萨斯大学校园中响起。
Learning keeps our minds active and alert which helps prevent mental atrophy .
但学习让我们的头脑保持活跃和警觉有助于预防精神萎缩。
Her left elbow was wrapped in gauze , but she otherwise appeared alert .
她左臂用纱布裹着,但是她还是很警觉的。
The plot was foiled only by the bomber 's own incompetence and some alert passengers .
阴谋的失败仅仅因为自杀炸弹分子自己的无能和乘客的警觉。
I like the challenge of trying to get close to hares as they are so alert and so fast .
我喜欢试图靠近野兔的这一挑战,因为他们是如此的警觉和如此之快。

alert相关词组