under強(qiáng)調(diào)空間上的直上直下,如,under the desk is there a cat.；below 只是強(qiáng)調(diào)平面上的相對上下位置,如,below the picture on the wall is there another picture.below 還可以指抽象的在.以下,如below zero
under的意義更廣一些,還有‘掌管、管轄’等之意.如,under the leadership of the government.