die out 死光 die of 死于疾病、饥饿、 die from 常用死于创伤、交通事故 die for: 为某种目的而献身、牺牲
还有,一个die off 是逐渐死去 例句 Many of them died of starvation. The soldier died from a wound in the breast. Lots of them died for the cause of liberation. the flowers are dying off because there has been no rain.