sound和 voice 的区别（详细点哦）

sound泛指任何声音,不论其高低、是否悦耳等.如：
I heard the sound of running water. 我听见流水声.
Light travels faster than sound. 光比声音传播得快.
voice用于人时,指说话、歌唱或发笑的声音,也可指发言权.用于其它方面时,常含悦耳之声,如鸟鸣声,乐器声音等.如：
Please speak in a louder voice. 请大声说.
且有voice from somebody
sound from something