女：是的。海豚有一个很大的大脑，它们很聪明。它们还是世界上游泳游得最快的。
Woman: Yes. Dolphins have a big brain and they are very smart. They are also the fastest swimmers in the world.
一次，当我醒来一个游泳池的一位女士问我教她如何游得更快。
Once, when I standed on a side of swimming pool a lady asked me to teach her how to swim faster.
一次，当我醒来一个游泳池的一位女士问我教她如何游得更快。
Once, when I standed on a side of swimming pool a lady asked me to teach her how to swim faster.
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