announce
/əˈnauns; ə`naʊns/ v
1 [Tn, Tf, Tw, Dn.pr, Dpr.f, Dpr.w]
make (sth) known publicly 宣布; 宣告; 发表
They announced their engagement to the family. 他们向家 宣布他们已经订婚了.
The Prime Minister announced that she would resign. 首相宣布她将辞职.
Have they announced when the race will begin? 宣布比赛什么时候开始了吗?
2 [Tn] make known the presence or arrival of (sb/sth) 通报（某人[某事物]）的出席或到来
Would you announce the guests as they come in? 客人来时你通报一声好吗? 3 [Tn]
introduce (a speaker, singer, etc) on radio, TV, etc （在无线电, 电视等上）主持介绍（演讲者, 演唱者等）.