institution可数。

institution：

n.(大学、银行等规模大的)机构;慈善机构;社会福利机构;(由来已久的)风俗习惯，制度；

复数： institutions

扩展资料

I believe in the institution of marriage.

我相信婚姻制度。

Larry has been in an institution since he was four.

拉里从4岁起就一直生活在孤儿院。

We want this to be like a home, not an institution.

我们希望这里像个家，而不像收容所。

Class size varies from one type of institution to another.

班级大小因院校类型而异。