她忍住了呵欠。
他张扬地打了个哈欠。
She makes no attempt to stifle a yawn.
她并未试图忍住一个哈欠。
他装着打了一个呵欠。
Her yawn was a Pavlovian response to my yawn.
她打哈欠是对我打哈欠的条件反射。
She stretched her arms out and gave a great yawn.
她伸开手臂，打了个大呵欠。
She stifled another yawn and tried hard to look interested.
她又忍住了哈欠，竭力显出感兴趣的样子。
罗莎娜强忍住没打哈欠。
A bigger question puzzling scientists is why we yawn at all.
让科学家们感到困惑的一个更大的问题是，我们究竟为什么会打哈欠。
A smile, frown, raised an eyebrow, yawn, and sneer all convey information.
微笑、皱眉、挑眉、打哈欠和冷笑都传达信息。
Do you know how it is when you see someone yawn and you start yawning too?
当你看到有人打哈欠时，你也会开始打哈欠，你知道这是怎么回事吗?
It was many hours since he had eaten anything and he started to yawn from hunger.
他已经很多个小时没吃东西了，饿得开始打呵欠。
That may be a hint that yawn evolved as a social cue—"time for us all to go to bed".
也许这是打哈欠进化为社交线索的一种暗示——“到我们大家睡觉的时间了”。
Before you yawn, rub your eyes and hit the snooze button, consider the consequences of living in a nation of sleepheads.
在你打哈欠、揉眼睛、准备打盹之前，想一想生活在一个瞌睡虫遍地的国家是怎样的一个情况吧。
A similar situation exists in America, where there are those individuals you may be one of them who yawn or even frown when somebody mentions baseball.
在美国也有类似的情况，当有人提到棒球时，有些人会打哈欠甚至皱眉，你可能就是其中之一。
This accords with anecdotal evidence that people often yawn in situations where they are neither tired nor bored, but are preparing for impending mental and physical activity.
这与坊间流传的证据相符，即人们常会在既不累也不无聊的情况下打哈欠，只是为即将到来的精神和身体活动做准备。
In other words, if there are no surprises, it's just a yawn.
换言之，如果没有令人惊讶之处，它只不过是个哈欠。
At last the Rat, with a tremendous yawn, said, "Mole, old chap, I'm ready to drop."
最后，水鼠兰特打了一个大大的呵欠，说：“莫尔，老伙计，我快要倒了。”
We know what you're thinking: Yawn.
我们知道你在想什么：想打呵欠吗？
So, I expected the market to yawn.
因此，我预计市场不会理睬它。
Inequalities yawn in Labour markets too.
劳动力市场依旧存在着不平等现象。
The key yawn instigator appears to be brain temperature.
打呵欠最关键的诱因就是大脑的温度。
Do not yawn: this is no tedious group of ancestor likenesses.
你不会感到乏味:这并非一组风格雷同的祖先们的画像.
A smile, frown, raised eyebrow, yawn, and sneer all convey information.
微笑，蹙额，提眉，哈欠和冷笑都传递着信息。
Aged people yawn less than younger ones, mainly during morning and mid-afternoon.
主要在早上和中午，老人比年轻人打的呵欠少。
It may make you yawn or turn away but, Reader, it will reach you, or someone you love.
可能会使你打哈欠并转身离开，但是，读者们，这将关乎你自己或你所爱的某人。
Yawning when others yawn, the study suggests, is a sign of empathy and a form of social bonding.
这项研究怀疑，伴随着别人打哈欠，是移情作用的一种体现，也是社会连结的一种形式。
The gap between father and son, darkness and light, winter and spring, did not always yawn so wide.
对此种种风情佩恩大多用倒叙手法进行了粗略的描写。父亲与儿子、黑暗与光明、老年与少年之间的差距，并非总是宽如沟壑。
An Emory University research team decided to test that idea-with chimpanzees who also yawn contagiously.
因此艾莫利大学的研究小组决定用也会传染性哈欠的大猩猩作为观察对象，验证以上的猜想。
An Emory University research team decided to test that idea-with chimpanzees who also yawn contagiously.
因此艾莫利大学的研究小组决定用也会传染性哈欠的大猩猩作为观察对象，验证以上的猜想。
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