above, over, on 在……上
above 指在……上方,不強(qiáng)調(diào)是否垂直，與 below相對;
over指垂直的上方,與under相對,但over與物體有一定的空間，不直接接觸。
on表示某物體上面并與之接觸。
The bird is flying above my head.
There is a bridge over the river.
He put his watch on the desk.

below, under 在……下面
under表示在…正下方
below表示在……下，不一定在正下方
There is a cat under the table.
Please write your name below the line.

above, over, on 在……上
above 指在……上方,不強(qiáng)調(diào)是否垂直，與 below相對;
over指垂直的上方,與under相對,但over與物體有一定的空間，不直接接觸。
on表示某物體上面并與之接觸。
The bird is flying above my head.
There is a bridge over the river.
He put his watch on the desk.

below, under 在……下面
under表示在…正下方
below表示在……下，不一定在正下方
There is a cat under the table.
Please write your name below the line.