alertness的中文翻译是什么意思
alertness
n. 警戒，机敏; 戒心
alertness的柯林斯释义
ADJ-GRADED警觉的；警惕的；留神的；机敏的
If you are alert, you are paying full attention to things around you and are able to deal with anything that might happen.
We all have to stay alert...
我们大家都必须保持警惕。
He had been spotted by an alert neighbour.
一个警觉的邻居发现了他。
ADJ-GRADED充分意识到…的;完全感觉到…的
If you are alert to something, you are fully aware of it.
The bank is alert to the danger.
银行充分意识到了危险。
N-COUNT警戒（状态）；戒备（状态）
An alert is a situation in which people prepare themselves for something dangerous that might happen soon.
Due to a security alert, this train will not be stopping at Oxford Circus.
由于安全戒备的原因，该次列车在“牛津街口广场”站将不停留。
VERB向…报警；使警觉；使警惕；使注意
If you alert someone to a situation, especially a dangerous or unpleasant situation, you tell them about it.
He wanted to alert people to the activities of the group...
他想提醒人们小心该团体的活动。
I was hoping he'd alert the police.
我当时希望他会报警。
PHRASE处于警戒状态;保持戒备
If soldiers or police are on alert, they are ready to deal with anything that may happen.
Soldiers and police have been put on alert.
士兵和警方都已进入警戒状态。
PHRASE准备就绪；防备着
If you are on the alert for something, you are ready to deal with it if it happens.
They want to be on the alert for similar buying opportunities.
他们希望随时掌握有关类似购买机会的信息。
alertness的英文释义
Noun
1. the process of paying close and continuous attention
2. a state of readiness to respond;
- alerting was indicated by the desynchronization of the EEG
3. lively attentiveness
alertness的场景例句
The drug improved mental alertness.
该药有助于提神。
Alertness, calmness, courage : he could see them all in the youngster's face.
机警, 镇定, 胆量,都摆出在这年青人的脸上.
We must maintain a military standard, an alertness, and never vary it.
我们必须保持军队的准则, 应当随时注意,切勿随时变动.
The order urged the armed forces to enhance their alertness.
该项命令敦促武装部队提高警惕.
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.