Backed by the U.N.account, Israeli troops returned to the border area on Wednesday and continued pruning trees and bushes which could provide cover for terrorists.

VOA: standard.2010.08.04

This is a little bit of a tricky experiment, so we decided we'll just smoosh it all in, and we'll actually be able to account for it, because we'll take into account the area of all of those atoms.

因为我们要，考虑所有原子的面积，我觉得这个，黑板是不能自动上去的，好了，我们知道。

麻省理工公开课 - 化学原理课程节选