1·Alcohol causes a loss of judgment and alertness.
酒精会使人丧失判断力和警觉性。
2·The drug improved mental alertness.
这种药物提高了大脑的灵敏度。
—— 《柯林斯英汉双解大词典》
3·A short nap can promote alertness and improve performance, which are important when you are at work.
小睡一会儿可以提高机警性，提高工作表现，这在你工作时是很重要的。
4·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。
5·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。
6·That purpose is alertness.
这个目的就是警惕。
7·They also increase alertness and energy.
它们也能提高机敏性和精力。
8·It made some evolutionary sense, that state of alertness.
那种警觉的状态会形成某种进化感。
9·Research has shown that the lavender scent increases alertness.
研究表明薰衣草香味会提高人的警惕性。
10·Do not assume that more sleep equals more energy and alertness.
但不要以为多睡就意味着精力充沛。
1·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。
2·It made some evolutionary sense, that state of alertness.
那种警觉的状态会形成某种进化感。
3·The algorithm measures six mood levels – happiness, kindness, alertness, sureness, vitality and calmness – through people’s text on the internet.
这一算法通过人们在因特网所发布的文字来测量六种情绪水平——喜悦、仁慈、警觉、稳定、活力和镇定。
4·The art of meditation helps to promote a beautiful blend of relaxation and alertness.
冥想的艺术有助与促进放松和警觉的完美结合。
5·First, establish your average personal sleep requirement in each 24-hour period to maintain a consistent level of alertness.
首先，确定自己每24小时期间个人平均所需睡眠量，维持一个稳定的警觉水平。
1·Alcohol causes a loss of judgment and alertness.
酒精会使人丧失判断力和警觉性。
2·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。
3·The hens also changed their behaviour, and reacted with increased alertness, decreased preening and increased vocalisations directed to their chicks.
母鸡也会改变行为，提高警觉性，减少梳理羽毛的次数，增加向雏鸡发声的次数。
4·EEGs show that we are biphasic sleepers with two alertness dips — one at night time and one mid-day.
脑电图显示，作为两阶段睡眠者的我们，每天确实有两段时间会警觉性下降-分别是晚上和中午。
5·However, the sleep restriction was severe enough that recovery of alertness was not complete following a single night of extended sleep, indicating a residual sleep debt remained.
但是实验中的睡眠不足却十分严重。其间警觉性也无法在一天里恢复。这表明欠下了很多‘睡眠债’。
1·Environmental issues such as noise and level of alertness may interfere with learning new behaviors.
环境问题诸如噪音和警戒的水平也许会妨碍新行为的学习。
2·Environmental issues such as noise and level of alertness may interfere with learning new behaviors. After identifying what helps and what hinders, increase the helpers and eliminate the rest.
环境问题诸如噪音和警戒的水平也许会妨碍新行为的学习。当确定了什么是有帮助的，什么是有妨碍的后，增加有帮助的部分，排除其他部分。
3·In meditation, as in all arts, there has to be a delicate balance between relaxation and alertness.
禅坐就像所有的艺术一样，必须保持松弛和警戒之间的微妙平衡。
4·For example, an unexpected change of the traffic pattern in a military network may indicate a forthcoming action, a chain of commands, or a state change of network alertness.
例如，军事网络中流量状况的异常变化预示着随即要发生一系列行动、一连串的命令或者网络变得警戒。
1·As a new manager, you should use the "alertness approach" when selecting an appropriate managerial style.
作为一个新任经理，你应该“机敏”地选择一种合适的管理风格。
2·Moss said the healthier breakfast probably aided classtime alertness.
莫斯说更为健康的早餐几乎可以肯定是有助于上课时的机敏程度的。
3·CHICAGO - Giving teens 30 extra minutes to start their school day leads to more alertness in class, better moods, less tardiness, and even healthier breakfasts, a small study found.
芝加哥——一项小型研究发现：在开始一天的功课前给青少年多出30分钟的时间可以使他们在课堂上更机敏，有更好的情绪，反应不那么迟缓，而且甚至可以享用更健康的早餐。
4·As a new manager, you should use the 'alertness approach 'when selecting an appropriate managerial style.
作为一个新任经理，你应该“机敏”地选择一种合适的管理风格。
5·They start thinking about daytime concerns, and their bodies react to their thoughts with increased energy and alertness.
他们一醒来便开始琢磨白天担心的事儿，身体会对思想做出反应而开始积蓄能量，并更机敏。