life support noun
Learner's definition of LIFE SUPPORT
[noncount]
1
medical : the equipment, material, and treatment needed to keep a very sick or hurt patient alive生命维持设备 2
: the things that are needed to keep someone alive in a place (such as outer space) where life is usually not possible生命保障 — life-support
/ˈlaɪfsəˌpoɚt/ adjective, always used before a noun