bulletin
/ˈbʊlɪtɪn/noun
1- a short official statement or broadcast summary of news公报。
1.1
- a regular newsletter or printed report issued by an organization or society（机构或社团的）通讯, 刊物。
词源
mid 17th cent. (denoting an official warrant in some European countries)： from French， from Italian bullettino, diminutive of bulletta 'passport'， diminutive of bulla 'seal， bull'.