“无线电广播”常见的英语表达是 radio broadcasting 。
例句：
Radio broadcasting has been an important medium for information dissemination and entertainment for decades.（几十年来，无线电广播一直是信息传播和娱乐的重要媒介。）
The government plans to expand the coverage of radio broadcasting in remote areas.（政府计划扩大无线电广播在偏远地区的覆盖范围。）