1 [U] sending sth out or passing sth on from one person, place or thing to another 传送；传播: the transmission of television pictures by satellite 用恒星传送电视画面the transmission of a disease/virus 疾病╱病毒的传播

2 [C] a TV or radio programme 电视节目；电台节目

3 [U] [C] the system in a car, etc by which power is passed from the engine to the wheels （汽车等的）变速器，传动装置