Some companies have even managed to train fish to apply varnish directly!

一些公司甚至干脆训练鱼群来涂指甲油！

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Dolphins are so smart that within a few weeks of captivity, they can train people to stand on the very edge of the pool and throw them fish.

海豚太聪明了。只需要几个星期，她们就能训练人们站在水池旁边给她们扔鱼吃。

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No matter plant seedlings train, koi fish pool, raise shrimp compound pool to be the same.

不管是植物育苗培养、锦鲤景观鱼池、养虾复合池道理都一样。

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The state will train hunters to avoid mistaking the python for native snakes, Florida Fish and Wildlife Conservation Commission (FWC) spokeswoman Carli Segelson said.

BBC: Python challenge: Florida holds snake hunting contest