#欧文每日分享# 广播电视相关:tape recorder 磁带录音机;microphone 传声筒,话筒;earphones 耳机;loudspeaker 喇叭;track 轨,声道;recording head 录音磁头;playback head 放音磁头;erasing head 抹音磁头。#微信分享,12点更新,关注关注#