sound 指声音，普通用词，泛指耳朵能听到的任何声响。例句What made these sounds?这些声音是怎么回事？ voice 指嗓音，主要指人的说话声和歌唱声。例句His ...
可以当作问候,类似how are you/whats up和how is it going的意思. 可以回答Fine, thanks！ 句型搭配 1.what\'s good about it?say the moon sadly. 它有什么...
