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.

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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.

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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.

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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