求die form与die of的区别

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.

die form由于外部原因造成的,如:车祸
die of由于内部原因造成的,如:饥饿,疾病

die from
(病以外)因某事而死
die of
因某病而死

die from 因受伤等而死,die of 死于疾病,老年等;
be dying to 很想,渴望;die for 牺牲