Tail held high and stiff indicates alertness and the desire to display dominance.

尾巴抬的高高直直的，表示警惕和渴望展示强势。

Studies show that even mild dehydration decreases alertness, increases fatigue, and negatively affects mental concentration.

研究显示，即便是轻微的脱水症状都能降低注意力甚至增加疲劳感，让专注力下降。

Alcohol causes a loss of judgment and alertness.

酒精使人失去判断力和警觉性。

Anesthesia alertness can play out in different ways.

术中清可能有几种情况。

After years of studying caffeine he sees no evidence that it improves mental alertness.

经过多年的研究，他认为没有证据能证明咖啡因能提高大脑的灵敏。

These signals affect mood and wakefulness, or alertness. Sunlight has a lot of blue light.

这些信号会影响情绪、清或警觉性。阳光中有很多蓝光。

And one exhibited signs of chronic sleep deprivation in regular alertness tests.

还有一位的警觉性测试中表现出长睡眠不足的迹象。

A short nap can promote alertness, and improve performance which are important when you're at work.

小睡一会儿可以提高警觉性，提高工作效率，午间小憩对工作而言很重要。

Adenosine builds up during the day, gradually reduces our alertness, and eventually makes us feel tired.

腺苷白天积累，逐渐降低我们的警觉性，最终让我们感到疲倦。

Inhaling vetiver scent improves alertness and brain function.

吸入岩兰草香味可以提高警觉性和大脑功能。

The spicy peppermint scent helps to improve your ability to focus and can boost alertness and memory.

辛辣的薄荷香味有助于提高专注能力，并能提升警觉性和记忆力。

Based on the slider info, the participants were all jolted into alertness by Mozart's strings, regardless of age.

根据滑块显示的信息，无论年龄大小，所有参与者都被莫扎特的乐曲所震。

The caffeine in coffee provides us with a series of health benefits, including increased cognitive function and alertness.

咖啡中的咖啡因为我们带来了一系列健康益处，包括提高认知功能和警觉性。

Recent evidence has shown that as little as 30 seconds of physical activity can improve perceived alertness in the morning.

最近的证据表明，短短 30 秒的身体活动就能改善早晨的清感。

There would be an alertness test-an endurance test; character would score high. The world pilot would cast the deciding vote.

到时会有警觉性测试，耐力测试；品质需得到高分。世界飞行员将投下决性的一票。

But, if you're scared it could happen to you, there are ways to further reduce your risk of anesthesia alertness.

不过，如果你害怕这种可能性也会发生你身上，医生也有降低这种风险的办法。

Inventor Alexander Arguelles, who speaks 50 languages, suggests that you do it while walking swiftly to maximise alertness and blood flow!

发明家Alexander Arguelles，会说50种语言，他建议快走时进行跟读练习，因为快走能最大化提升机警性和血流量。

An athlete's best performance is achieved with particular balance of alertness and anxiety.

运动员的最佳表现是警觉性和焦虑性达到特平衡的情况下实现的。

Smoking is also not good for sleep because nicotine increases heart rate and alertness.

吸烟也不利于睡眠， 因为尼古丁会增加心率和警觉性。

Hawat's eyes were two pools of alertness in a dark and deeply seamed face.

哈瓦特的眼睛是一张黑色且布满皱纹的脸上的两只机警的水潭。