Meaning of gé:
隔
to separate; to partition; to stand or lie between; at a distance from
Tāmen yòng yī gè qiáng lái gé kāi liǎng gè fángjiān.
他们用一个墙来隔开两个房间。
They use a wall to separate the two rooms.
Liǎng jiān fángjiān bèi yī dǔ qiáng gé kāile.
两间房间被一堵墙隔开了。
The two rooms are partitioned by a wall.
Zhè zuò shān jiāng liǎng gè cūnzi gé kāi.
这座山将两个村子隔开。
This mountain separates the two villages.
Wǒmen gé zhe yī tiáo hé.
我们隔着一条河。
We are separated by a river.
after or at an interval of
Tā gé jǐ tiān jiù huílái yīcì.
他隔几天就回来一次。
He comes back once every few days.