Each school has its library.是什么意思？

Each school has its library.

每一所学校都有图书馆。

each

adj. 每，各自的；pron. 每个，各自；

例句
They were completely absorbed in each other...
两人彼此倾心。

school

n. 学校，上学，学院，群；vt. 训练，锻炼，教育，教导，约束，给…上学；

例句
I was terrible at school and left with few academic qualifications...
我的学习成绩一塌糊涂，离校时几乎没有学历。

has

v. 有( have的第三人称单数 )，（亲属关系中）接受，拿，买到；

例句
...the operation a patient has had.
病人做过的手术

its

pron. (it的所有格形式)它的，厥；

例句
The government is to accelerate its privatisation programme.
政府将加快其私有化计划的进程。

library

n. 图书馆，藏书楼，藏书，书屋，书斋，图书出租处；

例句
Shelves were built to adapt the library for use as an office.
为将图书馆改作办公室而做了一些架子。