voice:
n. 声音；嗓音；发言权；愿望
vt. 表达；吐露
The girl was captivated by the man's deep and sexy voice.
这个女孩被这个男人的低沉性感的声音迷住了。
voices:
n. [声] 声音
Next, I heard the sound of voices.
接着，我听到了说话的声音。
I could hear voices in the next room.
我能听到隔壁说话的声音。
The chatter of voices gradually quietened.
唧唧喳喳的声音渐渐地平静了。
There were cries, calls. He could distinguish voices.
有各种各样的哭声和叫喊声。他能从中分辨出声音。
voice和voices的区别是，一个是单数一个是复数。
