单词
alertness
读音
əˈlɜːrtnəs
美式
英式
词根
无
释义
n. 警戒；机敏
例句
Alcohol causes a loss of judgment and alertness.
酒精会使人丧失判断力和警觉性。
Decades of studies of bird flocks led researchers to predict extra alertness in the more vulnerable, end of the row sleepers.
通过对鸟群几十年的研究，研究人员预测，那些更容易受伤的、睡眠时处于队列末端的鸟会格外警觉。
Another flaw of the tiredness theory is that yawning does not raise alertness or physiological activity, as the theory would predict.
疲劳理论的另一个缺陷是，打哈欠并不能像该理论所预测的那样，提高警觉性或生理活跃度。
Alcohol causes a loss of judgment and alertness.
酒精会使人丧失判断力和警觉性。
Decades of studies of bird flocks led researchers to predict extra alertness in the more vulnerable, end of the row sleepers.
通过对鸟群几十年的研究，研究人员预测，那些更容易受伤的、睡眠时处于队列末端的鸟会格外警觉。
Another flaw of the tiredness theory is that yawning does not raise alertness or physiological activity, as the theory would predict.
疲劳理论的另一个缺陷是，打哈欠并不能像该理论所预测的那样，提高警觉性或生理活跃度。
强化记忆
无
看视频学发音
there is a reliable, preprogrammed dropin your brain’s alertness during the afternoon.And it happens to most of us somewhere between the one to four pm mark.
So that post-lunch apathy,or late-night alertness you might be feeling,well, that could simply be the effects of food on your brain.
Now I'm sure you've had that experienceof a drop in your alertness in the afternoon,where you start to feel a little sleepy.
Areas in the brain stem kick inand put you in a state of high alertness.This is the fight-or-flight response.
at least half an hour before you go to bed.Light increases levels of alertness and will delay sleep.What's the last thing that most of us do before we go to bed?
所属分类
出国,专升本-自考,专四专八,其他
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