The message crackles over the radio in the police car.

警车里的无线电带着卡嗒声发出了这个通知。

youdao

Alex looks slightly embarrassed, but the radio crackles and spares his blushes.

BBC: Full steam ahead

Farooq spends 15 minutes with them and, just when he thinks there is time to rest before his next appointment, the radio in his office crackles.

CNN: BRAVE AS A LION