词根:broadcast
adj.broadcast 广播的
n.broadcast 广播;播音;广播节目
broadcasting 播放;广播节目
v.broadcasting 广播(broadcast的ing形式)
vi.broadcast 广播,播送;播放
vt.broadcast 播送,播放;(无线电或电视)广播;播撒(种子)
3.Last month, John Madden announced his retirement as a National Football League broadcaster.
上个月,约翰·梅登宣布从国家足球联播音员的位置上退下来。