No fewer than fifty students participated in this activity.

不少于50名学生参加了这项活动。

youdao

People of all ages, races, and socioeconomic backgrounds have participated this activity.

所有年龄段、不同种族和社会经济背景的人都参加过这个活动。

youdao

I think this activity was very meaningful.

我认为这个活动很有意义。

youdao

This activity is called "hard rock climbing."

VOA: special.2009.01.07

So we quickly see that even in the letters under Paul's name, this activity's being spread around.

不难发现，就算是以保罗的名字写的信，抄写和传送这种做法也很普遍。

耶鲁公开课 - 新约课程节选

This activity in a wonderful homely way is a version of romance quest.

这个做法是最平常也是最有趣的,是追求浪漫的一种形式。

耶鲁公开课 - 现代诗歌课程节选

The costs of this activity are predictable, which can make it easier to outsource.

FORBES: The Hidden Costs of Outsourcing

If there was any doubt this activity would simply not be permitted by government.

BBC: Dredging 'causing erosion' claim

However, all this activity merely reveals the scale of the task of cleaning up China's banks.

ECONOMIST: A bank scandal in China