digital radio

剑桥词典

[ 不可数或单数名词：没有复数形式的名词 ]
the system of broadcasting using digital electronic signals that carry sound and information about what is being broadcast
数字广播
[ 可数名词：有复数形式的名词 ]
a piece of electronic equipment used to listen to digital radio broadcasts
数字式收音机 返回 digital radio