We've looked so far really at two non-scalar types. And those were tuples written with parentheses, and strings.

关于这两种基本类型我们已经,学的相当多了,包括哪些元组和字符串类型。

麻省理工公开课 - 计算机科学及编程导论课程节选

So, if you look in chapter one, you will find these definitions for different atomic groupings starting down here with the elements and moving through up through complex matter.

如果你们读第一章，你们会发现不同的原子组的定义,从底下开始有一些基本原理,往上还有复杂的物质。

麻省理工公开课 - 固态化学导论课程节选