1、Radio broadcast exercises were first launched in 1951, according to state media.
根據國家媒體的報道，廣播體操節(jié)目最早開始于1951年。

2、It was not until 1920 that regular radio broadcast began.
直到1920年才開始有定期的無線電廣播。

3、a radio broadcast of news
收音機中的新聞廣播。

4、a radio broadcast of news.
收音機中的新聞廣播。

radio broadcast翻譯