People often talk of goldfish having three-second memories, but in fact they can learn all kinds of things, and remember them for quite a long time.

人们常说金鱼的记忆只有三秒钟，但实际上它们能学会各种各样的东西，而且能记住很长时间。

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"I don't believe that they had a three-second memory because animals need their memory, so they build up over time knowledge of where the food is," said Roy Stokes, a student at the Australian Science and Mathematics School.

澳大利亚科学与数学学校的学生罗伊·斯托克斯说：“我不认为它们有三秒钟的记忆，因为动物需要记忆，这样它们就会随着时间的推移逐渐了解食物在哪里。”

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One easy technique is the three-second rule.

三秒钟规则是一个简单的技巧。

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Catherine de Medici of Italy married the French King Henri the Second in fifteen thirty-three.

VOA: special.2011.01.26

Well,you can just--an engineer will just sit there and isolate that second of sound and then give a "times three" command and "boom," well,look at Pavarotti hold out that note.

嗯，你可以想象，工程师会只坐在那里，分离出的第二个声音,然后给了三拍命令和砰“,好吧，看帕瓦罗蒂能拖出那个音。

耶鲁公开课 - 聆听音乐课程节选

Only a few days before Cleveland's second inauguration in eighteen ninety-three, a major railroad failed.

VOA: special.2010.06.17

Both music groups saw a three-second improvement in performance compared to their race times without music.

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But if you're not using HTC Zoe Share, these three-second Zoe clips are pretty much stuck on your phone.

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One indicator of that: The Bulls, Celtics and Pacers are the third-, fourth- and fifth-most frequently whistled teams for defensive three-second violations.

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