Because the earth is made of iron, heaven knows everything is made of the same stuff, all heavenly bodies.

因为地球是由铁构成的，上帝知道一切,世间万物是由同一东西组成的，即天体。

麻省理工公开课 - 固态化学导论课程节选

It is very interesting to me because it's a discrete invention that happened in a point of time in response to information technology.

我觉得很有意思,因为它由许多组成部分构成,这些部分组合在了一起,而且都和信息技术有关。

耶鲁公开课 - 金融市场课程节选

She was awarded tenure in 1938, denied a professorship for 18 years, and when she presented her Ph.D thesis she was the one that determined that the sun is made dominantly of hydrogen, not ion, the way most of the old goats thought.

她是在1938年被授予长期聘用资格，拒绝接受教授职位18年，她在她的博士论文写到,她就知道,太阳主要是由氢组成的，不是那些老教授认为的那样它是由离子构成的。

麻省理工公开课 - 固态化学导论课程节选

This is a picture that I showed you before, but basically tells you something that you already know, that humans are made up of organ systems, organs and organ systems, those organs are composed of tissues.

这张图我给你们看过,简单的说明了一些常识,即人体由器官系统构成,器官和器官系统,其中器官由组织组成

耶鲁公开课 - 生物医学工程探索课程节选