life-or-death英 [laif ɔ: deθ] 美 [laɪf ɔr dɛθ]adj.生死攸关的;[例句]CANCER patients across Britain are facing a life-or-death postcode lottery which decides whether they get vital drugs and treatment.英国的癌症患者正面对一个生死攸关的癌症彩票，它将决定他们是否获得重要的药物和治疗。