He works at Haidian.
他在海淀区工作。
She has been living in Haidian for ten years.
10年来她一直住在海淀区。
They stopped first at Shanghai, then at Tokyo on their way to San Francisco.
他们在去旧金山途中先在上海逗留，然后在东京停留。
We arrived at the mountain village late in the afternoon.
我们于下午晚些时候到达那个山村。
He arrived in Shanghai at three o'clock in the afternoon.
他于下午3点到达上海。
She works at the post office.
她在邮局工作。
In the rain she was sheltering in the post office.
她当时在邮局躲雨。
③on表示“在……上面”，毗邻、接壤。
There were lots of books on his desk.
他书桌上有许多书。
It is a beautiful mountain town on the river.
这是一个美丽的临河山镇。
④to表示“在.......范围外”，不强调是否接壤，也可表示“到……“
Japan lies to the east of China.
日本位于中国的东方。
Nanjing is to the west of Shanghai.
南京在上海以西。
2、above, over, on
The bird was flying above my head.
那鸟在我头顶上空飞翔。
We were flying above the clouds.
我们在云层上飞行。
②over“在……之上”，指垂直的上方，与 under相对。但over与物体有一定的空间，不直接接触。
There is bridge over the river.
这河上有一座桥。
There is a big lamp hanging over the table.
桌子上方悬挂着一盏大灯。
③on“在.......之上”表示在某物体上面并与之接触。
He put his watch on the desk.
他把表放在书桌上。
He stood on the clifftop looking out to the sea.
他站在悬崖顶上眺望大海。
3、under, below
There is dog under the table.
桌下有一条狗。
She sat in the shade under thetree.
她坐在树荫下。
② below表示“在.......下方”，不一定在正下方。
Please write your name below the line.
请在这行下面写你的名字。
4、in front of, in the front of
A policeman on horseback rode in front of the procession.
坐在马背上的一名警察在游行队伍的前面。
There is a blackboard in the front of our classroom.
我们的教室前面有一块黑板。
比较：
There was a large hole in front of the building.
大楼的前面有一个大坑。
There was a large hole in the front of the building.
大楼的前部有一个大坑。
5、after, behind
Please line up one after another.
请按顺序排队。
The student sat after me.
那个学生坐在我后面。
②behind在.....后面，表示地点时，侧重方向和位置的前后关系。
The student sat behind me.
那学生坐在我背后。
He hangs his coat on a nail behind the door.
他把外套挂在门后的一颗钉子上。