boomed例句

He turned his sightless eyes their way and boomed out a greeting.
他将失明的双眼转向他们,低声打了个招呼。

Music boomed out from loudspeakers.
喇叭中传出低沉的音乐声。

A megaphone boomed out, "This is the police."
扩音器响了起来:“我们是警察。”