alertness

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：

A lot of people will be alert and waiting.

许多人都将提高警惕等待着。

Ginseng was reported to have increased energy and mental alertness.

人参可以增进体力和提高精神敏捷性。

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。

Lacking responsiveness or alertness;insensitive.

迟钝的反应不迅速的；不敏感的

I know him well in that mood of alertness and suspicion.

我对他这种警觉和猜疑的情绪是很熟悉的。

I drifted in and out of alertness.

我时而清醒时而昏迷。

The alert leopard went up to a deer quietly.

警觉的豹子静悄悄地走近一只鹿。

Our forces are normally in various states of alert.

我们的部队通常处于不同的战备状态。

Assign supervisor and enclose alert area.

设立监护人和警戒区域。