Luckily, many volunteers from all over the world came to Qomolangma to join in the clean-up activity.

幸运的是，许多来自世界各地的志愿者来到珠穆朗玛峰参加清理活动。

youdao

Only five of the 30 children paired with the "unreliable" tester participated in a follow-up activity.

与“不可靠”测试员组对的30名孩子中，只有5名参与了后续活动。

youdao

For each case, you'll need to create a follow-up activity.

对于每个case，需要创建一个后续活动。

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In one activity, children try to get a robot arm to pick up a block and place it in a cup.

VOA: special.2010.07.28

These studies must consider wildlife activity up to about three thousand meters above an airport and eight kilometers around it.

VOA: special.2009.04.01

He said, "We continue to expect economic activity to bottom out, then to turn up later this year."

VOA: special.2009.05.08

Since May 2012, I have been investigating why some cities and regions have more start-up activity than others.

FORBES: How Silicon Valley Profits From Giving Back

By contrast, Paxil ramped up activity in the cortex, while dampening activity in the limbic parts of the brain responsible for emotions.

FORBES: Magazine Article

John Haltiwanger, an economist at the University of Maryland, says he's skeptical of the GEM report given that it claims such a dramatic boost in start-up activity.

WSJ: Rise in Start-Ups Draws Doubters