主持人宣布会议开始。

The chairman declared the meeting open.

《柯林斯英汉双解大词典》

既然大家都来了，我现在宣布会议开始。

Seeing that everybody is here, I declare the meeting open.

youdao

经理宣布会议开始。

The manager declared the meeting open.

youdao

我宣布会议开始。

I declare the meeting open.

youdao

本人宣布本次会议开始。

I declare this meeting open.

youdao

我想知道我是否可以宣布“会议现在开始”。

I wondered if I could start by saying "the meeting is beginning now".

youdao

我想知道我是否可以宣布“会议现在开始”。

I wondered if I could start by saying "the meeting is beginning now".

youdao