alert
现在分词：
动词现在分词: alerting
更多词形：
动词过去式: alerted | 动词过去分词: alerted | 动词现在分词: alerting | 动词第三人称单数: alerts |
单词例句：
The government has put the army on alert.
政府已让部队进入戒备状态。
The district was put on red alert during a terrorist bomb scare.
这个地区在得到恐怖主义者轰炸后作了应急准备。
A hotel alert rated everything in the book.
饭店报警按规定是重于一切的。
They have put the army on the alert.
他们已使军队进入戒备状态。
The baby is very mentally alert.
这孩子脑子很机灵。
We should stand by on a hurricane alert .
在暴风雨警戒期间我们应加戒备。
A.n alert and responsive baby is a joy.
机警、反应快的婴孩可爱。
The boy was alert in answering the stranger's questions.
男孩很机敏地回答了陌生人的问题。
To be careful or on the alert;take care.
戒备提防或戒备；注意