这是一次重要会议，每个人都必须参加。

It's a most important meeting, and everyone must attend it.

youdao

每个人都必须参加。

Everyone must attend it.

youdao

因此，每个人都必须参加以维护全球环境为目的的行动。我同意，每个人都必须参加以维护全球环境为目的的行动。

I agree - Everyone must participate in the fight to safeguard our global environment but.

youdao

每个人都必须在他〔她〕自己居住的区域内参加选举。

A person must vote in his [her] district.

youdao

每个人都必须带一瓶啤酒去参加聚会。

Everyone is supposed to bring a bottle of beer to the party.

youdao

每个人都必须按时参加。

Everybody is required to attend it on time.

youdao

每个人都必须按时参加。

Everybody is required to attend it on time.

youdao