these pentose molecules, whether it's ribose or deoxyribose, the carbons are numbered the same 1', 2', 3', 4', 5', those are the five carbons that make up the pentose.

这些戊糖分子,不管是核糖还是脱氧核糖,碳都是从1'标注到5',也就是构成戊糖的5个碳原子

耶鲁公开课 - 生物医学工程探索课程节选

You have buildings that are numbered. Classes are numbered.

建筑物使用数字编号的，课程也是编号的。

求学热十足的学校 - SpeakingMax英语口语达人

And in that--I'm so careful, perhaps the blocks are numbered, I'm so careful that every block is in the exactly same position as in the case where my son built it.

我搭的非常仔细，也许这些积木都编了号，但我搭的很仔细，所以每块积木,都在我儿子之前搭那座塔时,摆在的位置上。

耶鲁公开课 - 死亡课程节选

Majors are more numbered. Rooms are numbered.

专业也是编号的，房间也是编号的。

求学热十足的学校 - SpeakingMax英语口语达人