He has just joined a new club and he's going to tell you all about it.

他刚加入了一个新俱乐部,想跟你分享一下。

耶鲁公开课 - 新约课程节选

They joined the boy scouts,YMCA, other youth movements,benefited a great deal, supposedly from these experiences.

他们加入了童子军，基督教青年会，或其他的青年运动，获益良多，从这些经验可看出来。

哈佛公开课 - 幸福课课程节选

Why? Because the labor is the unquestionable property of the laborer " and therefore, no one but the laborer can have a right to what is joined to or mixed with his labor.

为什么，因为劳动是劳动者无可争议的所有物,《政府论》第五章，“论财产“,因此除这名劳动者以外,对他施加或掺进劳动的所有物，别人没有所有权。

耶鲁公开课 - 公正课程节选

It's a double stranded circular piece of DNA, meaning that the 3', 5'ends that hang off are joined back together again to form a continuous loop.

它是双链环状DNA,它的3'末端和5'末端首尾相连,构成一种连续环状结构

耶鲁公开课 - 生物医学工程探索课程节选