official announcement

基本解释

There was no official announcement of new sessions starting/ending at the top of each hour.
在每个时间段的前期，不会正式地通知新的会议情况(开始或结束)。
Both Wood and North Korean envoy Kim in Singapore said there was no reason why the Beijing meeting should not go forward, despite the lack of an official announcement.
伍德和北韩特使金桂冠都表示，虽然中国还没有正式宣布将在北京举行六方会谈，但是会谈没有理由不举行。
No official announcement was made; the information was confirmed, as with this most recent change, through an update to the API wiki.
但是却没有找到任何官方的通知。最近这些改动信息都是通过API的维基页面得到确认的。

In a break with usual White House practice, the official announcement on Cuba was delivered in two languages: Gibbs spoke in English and Restrepo in Spanish.
government's blacklist of drug syndicates. White House spokesman Robert Gibbs made the official announcement.

Grimoaldo goes to Rodelinda, demanding an official announcement of her agreement to marry him.
NPR: Riches Rediscovered: Handel's 'Rodelinda'
It appears at last there is a deal, though the official announcement will come later Sunday.
FORBES: A Deal On The Bailout