来自范玉宏的问题
sound,voice,noise的区别
sound,voice,noise的区别


sound,voice,noise的区别
sound,voice,noise的区别
sound,noise与voice的区别这是一组与“声音”有关的名词,在使用上有区别.sound泛指任何声音,不论其高低、是否悦耳等.如:Iheardthesoundofrunningwater.我听见流水声.Lighttravelsfasterthansound.光比...