If you publicize a fact or event, you make it widely known to the public. 宣传; 公布
verb [vt. 及物动词] 宣传，公布
The author appeared on television to publicize her latest book. 作者出现在电视上宣传她的新书。
public(公众) + ize → 使广为公众所知 → 宣传， 推广
The author appeared on television to publicize her latest book. 作者出现在电视上宣传她的新书。