单词	音调振铃器
释义	音调振铃器 tone ringer
随便看	velocity modulus method velocity moment velocity motion detector velocity mutation velocityn distribution diagram velocity negative feedback Velocity Never to Exceed velocity node velocity noise velocity observation velocity obstacle velocity odometer Velocity of airflow velocity of approach velocity of approach factor velocity of approch Velocity of Arrival velocity of a swallow velocity of belt velocity of blade velocity of blood flow velocity of body gravity velocity of bottom of water velocity of capillary rise velocity of circulation