alert

UK:  [ə'lɜː(r)t]

US:  [ə'lɜrt]

复数：alerts  现在分词：alerting  过去分词：alerted  

n.

1.警戒;警报

2.发警报

3.警惕

4.警戒期间

5.视域

6.待机状态

7.待命行动

8.战备

9.【军事】紧急待命

v.

1.提醒,通知,告诉,通报;发出警告

2.警惕

3.使...警觉

4.使警戒

5.清醒,使…意识到

adj.

1.警惕的,警觉的

2.警惕;活跃的

3.机警,机灵,灵活,敏捷,机敏的,感觉灵敏;精神抖擞的

4.机警的,机灵的

5.注意;精细,细心的,小心在意;集中精力;

6.灵活的

7.精细的

8.反应快的

1 . Though never beautiful, he became so alert and merry, so trusting and affectionate, that the mere sight of him was a delight.
尽管它说不上漂亮，但它变得那么机灵、欢快，那么忠实、热情，只要你看它一眼，就能给你带来喜悦。

2 . When they seek medical treatment in many hospitals because it was all over the eye of a needle, the doctor caused the alert.
在多家医院就诊时，因其身上遍布的针眼，引起医生警觉。

3 . This can alert you to the fact the dog was barking while you were gone since the citrus smell still lingers in the air.
这可以提醒你注意的是狗叫声，而你已不翼而飞自柑橘气味依然留连在空中。

4 . The first impression of a good German Shepherd Dog is that of a strong, agile, well muscled animal, alert and full of life.
一条好的德国牧羊犬给人的印象是：结实、敏捷、肌肉发达、警惕、且充满活力。

5 . Normally, the station can be moved out of the way of a piece of junk, but this alert was raised too late for such a manoeuvre.
正常情况下，空间站可以绕过太空垃圾通过的路径，但是这次预警发出的太晚了，不足以进行一次人工操作。