当我们听到“同辈压力”这个词时，我们大多数人的脑海中总会半诱惑半强迫地出现这样一个低低的声音。

That whispered message, half invitation and halt forcing, is what most of us think of when we hear the words peer pressure.

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一道明亮的闪电过后，我们听到一个可怕的声音。

We heard a frightening sound after a bright flash of lightning.

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一种理论认为我们的记忆可以与听到的一个相似的声音所融合。

One theory has it that our memory can be jogged by hearing a word that sounds similar.

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So, I've never heard the click-click-click-click-click, and we might bring a Geiger counter in here some time later in the semester so we can check all of you out, and hopefully we won't hear any when we do that either.

但我知道如果,你听到哒哒哒的声音，就表明你有麻烦了，我从来没听到过哒哒哒的声音,也许以后我可以带一个,来课堂上检测你们每一个人，希望我们不会听到哒哒哒的声音。

麻省理工公开课 - 化学原理课程节选