Mine is a possessive pronoun , being a possessive form of I . It can refer to a singular or plural noun, and it can be used as the subject, object, or complement of a verb or the object of a prepositionmine 是所有格代词，是I 的所有格形式。它可以指单数或复数名词，可用作主语、宾语或动词的补语或介词的宾语: The glass on the left is mine. 左边的杯子是我的。 Your hands aren’ t as big as mine. 你的手不如我的大。
used for showing that something belongs to or is connected with you when you are the person speaking or writing 我的
Can I borrow your keys? I can’ t find mine. 我能借你的钥匙吗？我的找不到了。
Most people would think a job like mine utterly boring. 大部分人会认为我那样的工作无聊透顶。
This must be your T-shirt. Mine has stains on it. 这一定是你的T恤衫。我的上面有污渍。
of mine I got the idea from a friend of mine. 是一个朋友告诉我这个主意的。