National guidelines recommend we do 140 minutes of moderate-intensity activity a week.

国家指导方针建议我们每周做140分钟中等强度的活动。

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In May 2020, the National Health Commission urged schools to make sure that students have at least two hours of outdoor activity a day.

2020年5月，国家卫生健康委员会敦促学校确保学生每天至少有两个小时的户外活动。

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This is about making physical activity a part of daily life.

这就是如何将锻炼变成生活中的一部分。

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Gerald Meehl says a better understanding of solar activity and its influence on weather may help researchers predict long-term weather conditions.

VOA: special.2009.09.29

It's kind of like religion by definition is a communal activity and so as what you're trying to do is a lot of... building skills among groups.

可能宗教本身,就是种集体性的活动，你们所做的,也就是培养集体生活的技能。

普林斯顿公开课 - 人性课程节选

is that a lot of the people who I know who are gay or lesbian and have homosexual activity,

我认识很多男女性同性恋者，

给我结婚的自由 - SpeakingMax英语口语达人

In other words, it made such activity a valid example of fair use.

FORBES: Second in a series.

Prisoners have at least 20 hours constructive activity a week, including education, group work, physical education and cooking.

ECONOMIST: Aid, democracy, rot

He is far too busy to be writing hundreds of thank you notes for conference-goers, and yet he made this activity a priority.

FORBES: Walk the Walk: It's How You Make Me Feel