When volunteers didn't clean their hands, most of the virus was still present an hour after exposure.

当志愿者们不洗手时，大部分病毒一个小时之后仍然存在。

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These mice also had higher levels of appetite-stimulating hormones after exposure to the high-fat binge food.

这些小鼠无限制进食高脂食物后，其刺激食欲的激素水平也会升高。

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Also, after exposure to stress, male rats had an adaptive response, called internalization, in their brain cells.

同样，在受紧张以后，雄老鼠有一个适应性反应，此种反应称为脑细胞的内在化。

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And in two thousand eight, seventeen people died in Senegal after lead exposure from a battery recycling center.

VOA: special.2009.08.31

One is there's no lag period, notice that antibody levels start rising right away after the second exposure.

第一是没有迟滞期,请注意,抗体浓度迅速上升,在第二次接触抗原时

耶鲁公开课 - 生物医学工程探索课程节选

Well really, the things we've looked at thus far can you do after just a semester of this kind of material and exposure to this particular world.

当结束这样一门课时,你是不是能通过学习和接触计算机科学,也做出我们刚刚看到的这些东西。

哈佛公开课 - 计算机科学课程节选

People may die as early as 36 hrs after exposure, but even up to 72 hrs.

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The vaccine can stop the disease if given within three to five days after exposure to the virus.

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These symptoms typically disappear two to four hours after exposure, but may last longer for particularly sensitive people.

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