prep.
在……之后;在……身后;反复;跟随;追求;以……命名
conj.
在……之后
adv.
后来,以后
adj.
后来的,以后的;后部的I went to the post office immediately after I left you.
离开你之后我立刻就去了邮局
2
Let's go for a walk after breakfast.
我们早饭后去散步吧
3
After the iPhone came out, all the other phone companies jumped on the touch-phone bandwagon.
当iPhone问世之后,其他手机厂商纷纷加入触屏手机的行列。