1、announce的基本意思是宣布、宣告、发表，指以语言或文字首次公开地、正式地使人知道。2、announce多用作及物动词，后接名词、代词或that、wh-从句作宾语。3、nnounce偶尔也可用作不及物动词。搭配：announce to do宣布做。

例句：We are pleased to announce that all five candidates were successful.我们高兴地宣布，五位候选人全都当选了。It was announced that new speed restrictions would be introduced.据宣布，将有新的限速规定出台。