The master rose from his chair with the teaching stick in his hand.
2
首先，他把两只海豚放在同一个水箱里，教它们无论什么时候看到光就按控制杆。
First of all, he kept the two dolphins together in the same tank and taught them to press levers whenever they saw a light.
3
比如，猕猴也是具有高度社会性的动物，科学家把他们放在笼子里并教他们学会怎样推动控制杆得到可卡因。
For example, macaque monkeys are also highly social animals, and scientists put them in cages and taught them how to push a lever so that they could get cocaine.
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