come out of中的of是介词。
come out of是固定短语，表示从…出来。
come out of
音标：英[kʌm aʊt ɒv] 美[kʌm aʊt əv]
详细释义：
出自; (冲破…)出来;
短语搭配：
come out of hiding 从躲藏处出来
know enough to come in out of the rain 知道自我照顾
come out of one's shell 不再冷淡
例句：
A woman in a black shawl came out of the shop.
一个披著黑头巾的妇女从店铺走了出来。
When you come out of the station you will find the bank opposite you.
当你走出车站时，你会看见银行就在你的对面。
I can' t get this screw to come out of the wall.
我无法把这颗螺丝钉从墙上取出。