alertness

英式音标：[ə'lɜ:tnəs]

美式音标：[ə'lɜtnəs]

词汇分类：经济学人词频200以下（低频词 约12000个）,The Economist（经济学人）20年词频表（全）,经济学人2001-2016年词频表,CATTI 英语笔译常用词语,经济学人词频词汇-6（20-49次）,当代美语语料库COCA词频大全

概况：

n. 警戒；机敏

词义：

n.

警戒，机敏；戒心；

英英释义

alertness[ ə'lə:tnis ]

n.

the process of paying close and continuous attention

同义词：watchfulnesswakefulnessvigilance

a state of readiness to respond

同义词：alerting

lively attentiveness

同义词：sharp-sightednesson the qui vive

用法：

双语例句

用作名词(n.)

The other half of the brain stays awake at a low level of alertness.
另一半大脑在低水平警戒状态下保持清醒。

They also increase alertness and energy.
它们也能提高机敏性和精力。

Without Alertness I'll be stupid.
没有机敏那是愚蠢。

权威例句

Estimating alertness from the EEG power spectrum

Lapses in alertness: coherence of fluctuations in performance and EEG spectrum

Interactive mathematical models of subjective alertness and cognitive throughput in humans

High sensitivity of human melatonin, alertness, thermoregulation, and heart rate to short wavelength light.

The Psychological Basis of Opportunity Identification: Entrepreneurial Alertness

Validity and reliability of the Observer's Assessment of Alertness/Sedation Scale: study with intravenous midazolam

Neural basis of alertness and cognitive performance impairments during sleepiness II. Effects of 48 and 72 h of sleep deprivation on...

Neural basis of alertness and cognitive performance impairments during sleepiness. I. Effects of 24 h of sleep deprivation on waking...

Characteristics of opportunities search of entrepreneurs versus executives: Sources, interests, general alertness ☆

Dose-response relationship for light intensity and ocular and electroencephalographic correlates of human alertness.

同义词：vigilance,guard

同根词：alertly,alert

英语词源：

alertness (n.)

1714, from alert + -ness.

造句：

1. watchfulness; vigilance; wariness; alertness

戒心

-- 来源 -- 英汉 - 翻译参考[网络]

2. vigilance; alertness

警惕性

-- 来源 -- 英汉 - 翻译参考[网络]

3. marked by full consciousness or alertness.

以充满意识或者警惕为特点。

-- 来源 -- 汉英 - 翻译参考

4. sports alertness

运动机敏性

-- 来源 -- 英汉 - 翻译参考[网络]

5. Alertness must be bred into every soldier.

警惕性必须渗透到每个战士的血管中去。

-- 来源 -- 网友提供

6. Lacking responsiveness or alertness;insensitive.

迟钝的反应不迅速的；不敏感的

-- 来源 -- 英汉 - 短句参考

7. exhibit calmness and alertness

表现沉着机敏

-- 来源 -- 英汉 - 短句参考

8. showing mental alertness and calculation and resourcefulness.

表现出思想上的机敏、深思熟虑和足智多谋。

-- 来源 -- 汉英 - 翻译参考

9. deficient in alertness or activity.

缺少机敏或者活动性。

-- 来源 -- 汉英 - 翻译参考

10. Thirdly, law education and precautionary alertness should be enhanced.

⒓忧糠ㄖ平逃??銮孔晕曳婪兑馐丁

-- 来源 -- www.lwsir.com