我在会议上发表了我的意见。

Wǒ zài huìyì shàng fābiǎo le wǒ de yìjiàn.

I expressed my opinion at the meeting.

我们将在会议上发表演讲。

Wǒmen jiāng zài huìyì shàng fābiǎo yǎnjiǎng.

We will deliver a speech at the conference.

他经常在学术期刊上发表文章。

Tā jīngcháng zài xuéshù qīkān shàng fābiǎo wénzhāng.

He often publishes articles in academic journals.