n.通告;布告;预告;宣告;
例句:
Every new announcement of hers was greeted with shouts of laughter.
她每说一句话,大家便报以哄堂大笑.
The announcement took the public by surprise.
这一通告使公众大吃一惊.
This announcement greatly excited us.
这个通知使我们大为激动.