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.