They turned off her life-support machine.他们关掉了维持她生命的呼吸机。There was a problem with the submarine's life-support system.这艘潜艇的生命保障系统出现了问题。He is in a coma and on a life-support machine.他处于昏迷中,靠呼吸机维持生命。The crash victim is now on a life-support machine.车祸受伤者现在靠设备维持着生命。