wean
verb [ T ] uk/wiːn/ us/wiːn/
给（婴儿或动物幼崽）断奶
to cause a baby or young animal to stop feeding on its mother's milk and to start eating other food, especially solid food, instead
The studies were carried out on calves that had been weaned at five weeks of age. 这些研究是在5个星期大时断奶的小牛身上进行的。
Phrasal verbs
wean someone off something 使（某人）逐渐戒掉;使（某人）脱离
to make someone gradually stop using something that is bad for them
It's difficult to wean addicts off cocaine once they're hooked. 一旦对可卡因上了瘾，就很难戒掉。
The whole scheme is intended to wean people off welfare dependency. 整个计划旨在使人们摆脱对福利的依赖。
wean someone on something 使（某人）从小受…影响
If someone is weaned on something, they have learned about and been influenced by it when young.
This generation has been weaned on computer games. 这一代人从小就受到了电脑游戏的影响。