upper: adj.1.(更)上面的，上方的，上部的；较高的；上级的；(议会)上院的；(衣服)穿在外面的。2.上流的；高原地带的；内地的。3.【地质学；地理学】地表层的；〔常 U-〕后期的。短语和例子the upper seats [circle] (戏院的)楼座，花楼。 the upper lip 上唇。 get [have] the upper hand of 胜过，占上风[优势]
Dongshen - hong kong water supply scheme to channel dongjiang water to flow southward to shenzhen requires to convert one of the tributaries flowing north to dongjiang - the shima river - into an artificial canal by pumping of water from the shima river from its lower course to its upper course 东深供水工程，引东江水南流至深圳市，需将其中一条原本由南向北流入东江的支流石马河变成一条人工运河，河水由下游抽回上游，逆流而上，工程因而相当艰巨。
