老师降低了音量，使课堂讨论更加平和。

The teacher ___moderated her volume to make the class discussion more peaceful.

老师主持了班会，确保每个人都有发言的机会。

The teacher ___moderated the class meeting to make sure everyone had a chance to speak.

这个社交媒体平台的帖子在被发布前都需要经过审核。

Posts on this social media platform need to be ___moderated before they go live.