Did you speak at the meeting?

你在会上发言了吗？

《新英汉大辞典》

youdao

If you speak at a high volume into it, you will actually be harder to hear.

如果你用很大的音量讲话，你实际上会更难被听到。

youdao

In nineteen seventy-six, she was asked to speak at the Democratic National Convention which nominated Jimmy Carter.

VOA: special.2010.05.09

OK, so now, Romeo: "shall I hear more, or shall I speak at this?" Fellows, a bit of advice, don't interrupt.

现在，罗密欧，我是继续听下去呢,还是现在就对她说话，同学们，有点建议，别打断。

麻省理工公开课 - 固态化学导论课程节选

So I would highly suggest for everybody in the world to speak at least two languages.

所以我向这个世界上的所有人强烈建议，至少要懂两种语言。

必须掌握两门语言 - SpeakingMax英语口语达人

Sir Salman's failure to speak at the festival, many would argue, is India's collective failure.

BBC: Worrying victory for India's extremes

We even compensated you with air fare, hotel and expenses to speak at that event.

FORBES: Las Vegas "MoneyShow" and Circus

Please be cognizant of the fact that not everyone gets to speak at every event.

FORBES: Las Vegas "MoneyShow" and Circus