a piece of news
一条新闻；一则新闻；一则消息
例句
1.One day, he read a piece of news about space. He counted up how much a cosmic flight would cost.
一天，他读到一则关于太空的新闻。
2.Now, I want to share a piece of news with you.
现在我要和你们分享一篇新闻。
3.A piece of news in the newspaper.
报纸上的一则消息。
4.This is a piece of news of importance.
这是一条重要新闻。