If an amount or measurement is above a particular level, it is greater than that level.
(数量或度量) 高于
Above is also an adverb.
在上面 A long scream sounded from somewhere above. 从上面什么地方传来一声长长的尖叫。
Above is also an adjective.
上述的 For a copy of their brochure, write to the above address. 欲取得一份他们的宣传手册, 写信到上述地址。
The above text is a transcript of this lecture prepared by lady&bird.
以上文字是由 lady&bird 准备的此次讲座的底稿。