他在讲台上滔滔不绝，而下面的同学认真地做着笔记，还不时被主讲人的幽默的话语逗笑。

He talked on the podium, and students of the made notes, laughing now and then by the presenter's humor.

youdao

他在讲台上滔滔不绝，而下面的同学认真地做着笔记，还不时被主讲人的幽默的话语逗笑。

He talked on the podium, and students of the made notes, laughing now and then by the presenter's humor.

youdao