The researchers played a sound and then, after a set period of time that varied between each group, blew a puff of air into the rats' eyes, making them blink.

研究人员播放一种声音，然后隔一段时间(每组的时间长短不同)，向老鼠的眼睛内吹一阵气，令它们眨眼睛。

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Twice puff-adders came twisting into the alert ring of our debating coffee-circle.

鼓腹毒蛇曾经两次窜进我们的喝咖啡和进行讨论的警戒圈内。

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The factory chimneys puff dense smoke into the air.

工厂的烟囱向空中喷吐着浓烟。

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The researchers played a sound and then, after a set period of time that varied between each group, blew a puff of air into the rats' eyes, making them blink.

ECONOMIST: Neuroscience (2)

One churchman was confronted with a village of people who genuinely believed the claims of a woman who claimed to be a witch and who said, amongst other things, that she could turn herself into a puff of smoke and leave a locked room through the keyhole.

FORBES: What Are Examples of Things in the "Common Knowledge" about History That Historians Almost Universally Consider Incorrect?

Twice puff-adders came twisting into the alert ring of our debating coffee-circle.

NEWYORKER: How David Beats Goliath