broadcast的过去式和过去分词是什么意思

例句：

They broadcasted an urgent storm warning.

他们广播了一条紧急风暴预告。

And they broadcasted the program on Sunday.

然后，他们在星期天播出了这个节目。

She broadcasted the gossip all over the town.

她把这个流言传遍了全镇。

This is then broadcasted live to Google's website.

这是当时现场直播，以谷歌的网站。

The announcer broadcasted a piece of amusing news.

播音员报道了一条有趣的新闻。