/ˈbrɔ:dkɑ:st; US ˈbrɔ:dkæst ||; ˈbrɔdˌkæst/verb [I,T] (past tensepast participlebroadcast) to send out radio or television programmes 广播;播送: The Olympics are broadcast live around the world.奥林匹克运动会向全世界实况转播。 broadcastnoun [C]:The next news broadcast is at 9 o'clock.下次新闻广播在9点钟。