同学你好，该知识点来自沪江网校《【Uni智能】雅思超7冲8名师VIP签约【2月签约班】》的课程，想要更系统的学习，欢迎进入课程学习。不仅可以和更多的同学一起学习，而且还有老师、助教随时的学习指导和知识点解答哦。

同学你好
以下三个词作为动词解释：
restrict
[ you put a limit on it in order to reduce it or prevent it from becoming too great.-当你使用restrict-限制 的时候是为了减少或者防止某事越演越烈]
There is talk of raising the admission requirements to restrict the number of students on campus.
有提高录取条件来限制校园里学生数量的说法。

restrain
[you stop them from doing what they intended or wanted to do, usually by using your physical strength. 当你使用restrain的时候，你会使用武力是为了阻止某人想做的事]
Wally gripped my arm, partly to restrain me and partly to reassure me.
沃利抓住了我的胳膊，部分是想制止我，部分是想安慰我。

其次，[If you restrain an emotion or you restrain yourself from doing something, you prevent yourself from showing that emotion or doing what you wanted or intended to do.当你使用restrain的时候,你会为了克制自己的情绪]
She was unable to restrain her desperate anger.
她无法抑制她那不顾一切的愤怒。

confine
[ confine something to a particular place or group means to prevent it from spreading beyond that place or group.-当你使用confine的时候，是为了防止某些事扩散到某些地区，也就是将 (某事物) 控制 (在某地范围内)]因此，它也有监禁的意思
Health officials have successfully confined the epidemic to the Tabatinga area.
卫生官员们已经成功地将该传染病控制在塔巴廷加地区。
He was confined in an internment camp in Utah.
他被监禁在犹他州的一个拘留营里。

祝学习愉快!