How many people here on average-- from the beginning of the semester until now get on average more than eight hours of sleep a night?

这里平均有多少人-,从开学到现在,平均每晚睡超过八小时的？

耶鲁公开课 - 心理学导论课程节选

I would have class maybe 8 to 9 hours like all in a row

我要连续上八至九小时的课，

耶鲁的忙碌生活 - SpeakingMax英语口语达人