Maybe on the campus tour they kept you away from this part of the campus, but if you go over to the east close to the river there is a building called "the library."

可能在校园旅游的时候，他们故意让你们远离,校园的这个部分，但是如果你们到达东区，接近河流的地方,有一座建筑物，叫图书馆“

麻省理工公开课 - 固态化学导论课程节选

All right. I tried it on 2, I surely didn't expect a precise and exact answer to that but I got something, and if you square this, you'll find the answer kept pretty darn close to 2.

好，我试试求2的平方根,我当然不希望得到一个完全准确的答案了,但是我得到了一个近似值，试试将这个数平方一下,你会发现结果和2相当接近。

麻省理工公开课 - 计算机科学及编程导论课程节选