词汇	who is speaking
释义	who is speaking 请问是谁打来的？谁在演说
随便看	Constant-velocity control constant velocity drive Constant velocity drive shaft constant velocity input constant-velocity input constant velocity joint constant-velocity joint constant velocity joints constant velocity line constant-velocity line constant velocity method constant velocity model constant velocity motion constant velocity motion curve constant velocity motion phase constant velocity of money constant velocity pump constant velocity recording constant-velocity recording constant velocity recording method constant velocity system constant velocity time constant velocity transcription constant velocity universal joint constant-velocity universal joint