announcement/ə'naʊnsmənt/

n.

➊ sth made known publiclly or officially

➋ the act of making sth known publicly or officially

n.

➊ [C] 通告，通知：[announcement about sth] The president made an announcement about tax increases at the news conference. 总统在这个新闻发布会上发布了一个有关增加税收的通告。

➋ [U] 宣告，宣布：[announcement of sth] the announcement of the plan 该计划的宣布

构词announce + -ment