1. 用于谈论位置和高度

如果一个东西高于另一个东西，你可以说第一个东西高于（above）或超过(over)第二个东西。

He opened a cupboard above the sink.

他打开了水槽上方的碗柜。

There was a mirror over the fireplace.

壁炉上方有一面镜子。

如果一个东西比另一个东西高很多，或者它们之间有很大的空间，你通常用above。

We heard a noise in the apartment above ours.

我们听到楼上公寓里有响声。

You usually use over when one thing is at a higher level than another thing, and the first thing is moving.

当一个东西比另一个在更高的平面上，而且第一个物体在移动时，你通常用over。

A plane flew over the city.

一架飞机从城市上空飞过。

2用于谈论测量和数量

Above和over都用来表示测量，例如，当你谈论一个点比另一个点高的时候。

Any money earned over that level is taxed.

超过这个水平的收入都要交税。

The temperature rose to just above forty degrees.

温度上升到刚过四十度。

小心!当你在谈论数量、事物或人的数量时，不要在数字前面使用above。例如，不要说“She had above thirty - shoes”。你可以说say `She had over thirty pairs of shoes' 或`She had more than thirty pairs of shoes'.

They paid out over 3 million pounds.

他们支付了300多万英镑。

He saw more than 800 children, dying of starvation.

他看到800多名儿童死于饥饿

3 used for talking about distance and time

You use over to say that a distance or period of time is longer than the one mentioned.

The mountain is over twelve thousand feet high.

这座山的高度超过一万两千英尺。

Our relationship lasted for over a year.

我们的关系持续了一年多。