He noted how white his wife's face looked in the deepening darkness. He laid his arms upon the table's edge and dropped his face into them, tearless and very sleepy.

他注意到妻子的脸在黑暗中显得如。他把胳膊放在桌子边上，让脸埋在里面，没有眼泪，但感到非常困倦。

Thousands of people are tracking the movements of a sleepy black bear who seems reluctant to leave the tree hallow it used as a den this winter.

成千上万的人正在追踪一只困倦黑熊的行踪，这只熊似乎不愿离开今年冬天用作巢穴的树。

Alice was beginning to feel quite sleepy when suddenly, her fall was over and she found herself sitting on a pile of leaves and grass.

爱丽丝正开始感到十分困倦，突然，她停下了，她发现它坐在一堆树叶和干草上。

Under normal circumstances, adenosine triggers these receptors and it produces a feeling of relaxation and even drowsiness for some people.

在正常情况下，腺苷会触发这些受体，让一些人产生放甚至困倦的感觉。

It governs when we become sleepy and when we are more wakeful.

它决定我们何时困倦和何时更加清醒。

As adenosine builds up, it increases the urge to sleep, also known as sleep pressure.

当腺苷累积起来的时候，它增加了困倦感，也就是睡眠压力。

A person might say " I feel sleepy" or " I feel energetic" .

一个人可能会说" 我感到困倦" 或" 我感到精力充沛" 。

It can alert drivers if they seem drowsy, or can keep track of babies in the back seat, and warn drivers when things look dicey.

可以提醒司机状态困倦，不宜开车；可以追踪后座上的婴儿状态；也可以警示司机可能有危险状况出现。

Efforts to alter your circadian rhythm are likely to end in sleepy frustration.

试图的昼夜节律可能会以困倦和沮丧告终。

Feeling tired or sleepy also makes us more emotional.

感到疲倦或困倦也会让我们更加情绪化。

As soon as someone says, let me tell you about a time when this happened to me, even the sleepiest audience member will start listening.

只要有人说，让我告诉这件事发生在我身上的时候，即使是最困倦的观众也会开始听。

When I got to work, I always felt very sleepy and I was not happy.

上班时，我总感觉很困倦而且不开心。

The call of the wild is also the call of the sleepy.

野性的呼唤也是困倦者的呼唤。

Although napping made no significant difference to feelings of sleepiness, it did help enhance memory.

尽管午睡没有为感觉困倦带来显著差异, 但有助于增强记忆。

Betsy plodded along, her head hanging, her eyes all gritty with fatigue and sleepiness.

贝特西拖着沉重的脚步走着，她的头耷拉着，眼睛里充满了疲倦和困倦。

When I feel sleepy, drinking tea gives me energy.

我感到困倦时，喝茶能让我提神。

I want you to watch my finger until you get sleepy.

我想让一直看着我的手 直到觉得困倦。

Usually, sibilance implies a mood that sounds threatening, cunning, somber, sleepy, sensual, and mystical.

通常，颤音听起来有着一种威胁、狡猾、阴郁、困倦、肉欲和神秘的情绪。

I felt so sleepy that I could hardly keep my eyes open.

36 我感到困倦，几乎睁不开眼睛。

STEP 2 Skip the so-called energy drinks in favor of water. A British study found that the caffeine in energy drinks makes you more sluggish in the long run.

避免所谓的能量饮料，多喝水。英国一项研究发现，能量饮料中的咖啡因长期来看会让更加困倦。