劍橋詞典(also life support [ 不可數(shù)或單數(shù)名詞：沒有複數(shù)形式的名詞 ]) the equipment used to keep a person alive when they are very ill , or injured 生命維持系統(tǒng)（或設(shè)備） He's been on a life-support system since the crash . 自從發(fā)生車禍後，他就一直依賴生命維持系統(tǒng)。 the natural structures and systems that are necessary for living things, especially humans , to be able to live （尤指人類的）生命維持躰系，生態(tài)環(huán)境 The lack of rain is threatening all the region's life-support systems (= the earth , trees and rivers ). 降雨稀少正威脇著該地區(qū)的整個(gè)生態(tài)環(huán)境。 返回 life-support system