i的名詞性物主代詞是什么意思

　　'That's mine!' she said possessively.

　　“那是我的！”她霸道地說。

　　She never was a close friend of mine.

　　她從來就不是我的密友。

　　Your name is before mine on the list.

　　名單上你的名字在我之前。