ours和their是所有格代词。

'Ours' and 'their' are possessives.

《牛津词典》

你通常使用的是所有格形容词。

You often use the possessive adjective.

youdao

既可以疯狂地爱上和所有格。

Both can be madly in love and possessive.

youdao

或者和所有格形容词连用。

Or, if you use with the possessive.

youdao

撇号用来表达所有格。

The apostrophe is used to express possession.

youdao

或者和所有格形容词连用。例如：我的旅行增加了我的阅历。

Or, if you use with the possessive. e. g. My travels really expanded my perspective.

youdao

我穿上（我的）拉练服，走了出去。（省略人称代词的所有格）

I put on my zip suit and went out.

youdao

我穿上（我的）拉练服，走了出去。（省略人称代词的所有格）

I put on my zip suit and went out.

youdao