英语介词 at、on和in可以表示地点(place),但他们的用法却往往容易混淆。
三者的主要区别如下。
AT1. At:把某个位置或地点看作一个点(point)
I was sitting at my desk. (桌子是我坐的一个点)
2. At:把公司或工作场合看作活动地点
How many people are working at Microsoft? (微软公司是工作的场所)
3. At:有很人参与的活动场所
Were you at Lisa's party? (at the cinema/at the theatre)(聚会、电影院、剧院都有很多人观看)
4. At:学校,如school、college、university
She always did well at school.
5. At:地址
They once lived at number 12 South George's Street.
6. At:在我们获得各种服务的公共场地,如理发店、医院、商店、饭店等
I can't meet at four. I'll be at the hairdresser's until five.
ON1. On:在..上面
I know I left my wallet on the table.
2. On:沿着道路或河流,或海边或湖边的位置
Dublin is on the east coast of Ireland.
3. On:建筑物的楼层
They live on the 15th floor!
4. On:在公共交通上
I was on the train when she phoned.
IN1. In:在..里面
I know my book is somewhere in this room.
2. In:当把工作场地看做一个实体建筑时
She works in an open-plan office.
3. In:在课堂上
He found it difficult to concentrate in class.
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