Studies of both animals and humans have shown that sex hormones somehow affect the stress response, causing females under stress to produce more of the trigger chemicals than do males under the same conditions.

对于动物和研究都显示出性激素会在某种程度去影响面对压力反应，导致在同样条件下，女性生更多致病化学物质。

The blue hue is caused by chemical reactions in plankton which produced the blue light.

蓝色荧光是由浮游生物生化学反应生。

The information would come very slowly, as it might chance to fall from his thoughts.

这些信息都是偶然从他各种反应中慢慢得到。

But it's also produced in nuclear reactions here on Earth, by bombs or nuclear reactors.

但地球上炸弹或核反应堆生核反应也能生同位素铁-60。

Moody seemed totally indifferent to his less-than-warm welcome.

穆迪似乎对大家冷淡反应无动于衷。

These prompt a wide range of responses.

由此而来反应广泛。

22. What was the man's reaction to the woman's threat?

问题22. 对于女威胁，男反应是什么？

When it was unveiled at the Paris Expo, the public reaction was mixed.

当它在巴黎世博会上亮相时，公众反应褒贬不一。

Are these doomsayers overreacting, or is their charge legitimate?

是这些杞忧天反应过度，还是他们指控确实有？

Victims of the flood blame the tragedy on the government's response or lack thereof.

遭受洪水灾民将这些归咎于政府反应不当或缺乏作为。

But they aren't known to raise a ruckus in response to birds of prey.

但们不知它们对猛禽反应会引起骚乱。

Playing dead is an involuntary reaction to a threat.

装死是动物们在面对威胁时，身体一种不自主反应行为。

We took it into the scanner to see how brains respond when you hear laughter.

我们使用扫描仪来观察了大脑在你听到笑声时反应。

But Russian authorities have not responded favorably.

不过俄罗斯当局反应并不积极。

You look upon your boy as though instinctively you guessed it.

你看了一眼你孩子，你本能反应似乎不错。

" He never regarded such behavior as a rational response to bondage, " Chernow noted.

“他从未将这种行为视为对奴役合反应。”

That's clearly the response that government policymakers are banking on.

显然，这是政府中政策制定者们希望反应。

Yeah, the reactions are nothing short of jubilation.

是，他们反应简直可以用欢呼雀跃来形容。

Turns out that regardless of evolutionary lineage, the animals react in a similar way to life among humans: they lose their antipredator traits. That pattern is especially pronounced for herbivores and for social species.

事实证明，不管进化谱系如何，这些动物对生活反应是相似: 它们失去了反捕食者特征。 这种模式在食草动物和群居物种中尤为明显。

Reading is pleasure of the mind, which means that it is a little like a sport: your eagerness and knowledge and quickness make you a good reader.

读书是一种思维享受, 也就是说有点像体育运动。善于读书需要强烈求知欲、丰富知识和敏捷反应。