the process of training or influencing a person or animal mentally so that they do or expect a particular thing without thinking about it

Conditioning starts as soon as boys are given guns to play with and girls are given dolls. 一旦给男孩玩枪并给女孩玩娃娃，条件反射就开始起作用了。

Classical conditioning was first studied in dogs by the Russian physiologist Ivan Pavlov. 俄罗斯生理学家伊万·巴甫洛夫首先在狗身上研究了经典条件反射。

the process of improving someone's physical condition

They were educated in the exact methods needed to improve their physical conditioning. 他们接受了协调身体的针对性培训。

He began cycling to build up his cardiovascular conditioning. 他开始骑自行车来增强他的心血管协调能力。