The meetings are always in the main conference room.

会议总是在主会议室举行。

《牛津词典》

In the main conference, I estimate that over 600 people were attending the lectures.

在主会场，我估计有超过600人参加了讲座。

youdao

After this presentation, we'll have lunch, which is served in the main conference hall.

推介会之后，我们吃午饭，午饭在大会厅内。

youdao

The conference centered on three main problems to getting and keeping girls in school: violence,poverty and poor quality education.

VOA: special.2010.05.20

Countryside campaigners today accused Labour of "stifling" liberty and risking the creation of a society of "Stasi and thought police", after the party banned their press conference in the main hotel in Brighton.

BBC: Monday news in brief

On this issue, another tale from India, told at the WEF main conference in January, is worth recalling.

CNN: Just do it

Three top leaders of the All-Party Hurriyat Conference, the main separatist grouping, are in jail.

ECONOMIST: On the eve of voting, a law minister is shot dead