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above和up有什么区别

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above和up有什么区别
above和up有什么区别
above和up都是介系词,后面都要跟一个名词作其宾语,它们是表示地点或方向的介系词.
above表示“在……的上方”,但是不是垂直的正上方,而是斜上方的意思(垂直的正上方用over这个介系词),并且和这个物体没有接触面,是离开物体的.从这个意义出发,above还可以表示“多于”、“高于”、“超过”等意思.如:
My grandmother lives in the apartment upstairs,above ours.
The car cost above two thousand dollars.
As a scholar,he is far above me.
Henry's work is well above the average.
In 1898,a law was passed which meant that all people above a certain age were paid a weekly "old-age pension".
介系词up表示的是方向,是动态的“沿着”,“到……上面”,有方向性的含义,如:
They ran up the stairs into the room.
The fish cross the Atlantic Ocean to the coasts of Europe and travel up the rivers.(在这里的介系词up表示河水的流向)
希望我能帮助你解疑释惑.