专用: (reserved for) special use; for a special purpose◇专用拨款 special appropriation funds; 专用车床 special purpose lathe; 专用车辆 special-purpose vehicle; 专用电话 telephone for special use; 专用码头 single us
广播: broadcast; be on the air; airing 短语和例子开始广播 go on the air; 实况广播 live broadcast; live transmissions over the radio or television; 停止广播 go off the air; 外语广播 foreign language broadcast; 有线[无线]