The meeting began at nine and lasted for three hours帮忙翻译下,
问题描述：
The meeting began at nine and lasted for three hours帮忙翻译下,
答
会议九点钟开始，持续了三个小时
答
会议在九点开始，开了3个小时。
答
会议九点开始,持续了三个小时.
答
会议从九点开始，会议时长三个小时。