at the corner in the corner on the corner

问题描述:

at the corner in the corner on the corner

都是拐角处的意思,但用法却不一样:
in the corner:在里面的拐角处:比如说屋里面的拐角处有一张桌子 There is a table in the corner of the house
on the corner:在拐角之上.如在桌子角上放着个杯子 There is a cup on the corner of the table at he corner:在拐角外面,如问路回答:请在前面的拐角处左拐 Please turn left at the corner of the house.
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