The boy faltered for a moment before joining the group.

那个男孩入伙之前犹豫了一会儿。

youdao

Or I can ask you to wait two seconds after a new person-that would be me, joining the group-enters the frame.

也就是说我可以要求你在一个——有可能是正要加入的我——新人进入相框后，等上两秒钟。

youdao

Joining the group promotes the accountability aspect, and italso helps your motivation and often if you have questions, someonewill be there with an answer.

加入这个团体能提高责任心，还有助于激励自己。 通常，如果你有问题，那里总会有人有答案。

youdao

We have 90 extension school students who are taking the course via distance education, so we have a huge group that will be joining us at the 2010 CS50 fair and the those photos you saw a moment ago depicted 2009's.

这里有90个来自哈佛开放学院的学生,他们正在通过远程教育来学习这门课程，所以参加2010年CS50课程的团体是很庞大的,刚才你们看到的图片显示的是,2009年的数据。

哈佛公开课 - 计算机科学课程节选

After several line-up and label changes, Sonic Youth entered the 21st century with Chicago producer and musician Jim O'Rourke joining the group.

NPR: Sonic Youth's B-Sides Are Worthwhile and Strong

So, Greece, Portugal and Ireland (with Cyprus just joining the group) all need to get financial help from other eurozone nations.

FORBES: Eurozone: No, The Euro Rescue Might Well Not Work

And he had also been contacted by Labour MPs interested in joining the group, which is due to meet for the first time on 16 October.

BBC: EU referendum: Cross-party campaign launched