They might not be able to stay seated or play quietly.

VOA: special.2009.09.16

The office hours are a time when they will be seated waiting for visitors.

办公时间是,他们会坐在那，等待拜访者。

麻省理工公开课 - 固态化学导论课程节选

The office hours are a time when they will be seated waiting for visitors.

办公时间是,他们会坐在那，等待拜访者。

麻省理工公开课 - 固态化学导论课程节选