这部一个小时的纪录片近距离地观察了印度虎的生活。

This one-hour documentary takes a close look at the life of tigers in India.

youdao

纪录片还发现，袁先生制定了一个“锻炼计划”，每天晚上8点和朋友打一个小时的麻将来锻炼大脑，尽管他很忙。

The documentary also found that Yuan developed an "exercise program", to play mahjong with friends for an hour at 8 p.m. every evening to train his brain, though he was quite busy.

youdao

一个三个小时的纪录片给你展示北京许多年前是什么样的。

A 3-hour documentary shows you what Beijing was like.

youdao

And they have graciously meet available their complete Film library. Not just the documentaries but the films They use before cut together the documentary for every hour of documentary their might be a hundred more hours of source video and film.

他们还实现了完整的电影图书馆,不仅是成型的纪录片,还有最初未剪辑的完整电影,每一个小时的纪录片背后他们可能,有超过100个小时的资料片电影。

麻省理工公开课 - 媒体、教育、市场课程节选