1 (also stereo system) [C] a machine that plays CDs or cassettes, or a radio that has two boxes (speakers) so that you hear separate sounds from each 立体声音响设备；立体声唱机；立体声收音机: a car/personal stereo 汽车╱个人音响

2 [U] the system for playing recorded music, speech etc in which the sound is divided in two parts 立体声音响: This programme is broadcast in stereo. 这个节目用立体声广播。 ☞Look at mono. 参看mono。 stereo adj a stereo television 立体声电视机