announce

The airport official used the loudspeaker to announce that the flight to London would be delayed.

(Chinese) 机场工作人员通过扬声器宣布飞往伦敦的航班将会延误。

The tech giant is expected to announce its new smartphone model at the conference tomorrow morning.

(Chinese) 预计这家科技巨头将在明天上午的发布会上公布其新型智能手机型号。