subsidiary 美 [səbˈsɪdieri] adj.附带的，附属的；n.子公司

英文释义：

connected with sth but less important than it；

a business company that is owned or controlled by another larger company；

常用短语：

subsidiary facilities 附属设施

subsidiary business 附属业务

双语例句：

I'm taking History as a subsidiary subject.

我把历史课作为辅修科目。

This is an independent company, not a subsidiary or affiliate ofGoogle.

这是一家独立公司，不是谷歌的子公司，也不是它的分支机构。