于是我们掏空了口袋，所有的钱加起来是3美元。

So we emptied our pockets, and all our money added up to $3.

youdao

各种税加起来是一笔巨款。

The taxes came up to a huge sum.

《新英汉大辞典》

他的学校教育加起来是一年。

His schooling added up to one year.

youdao

So, having other particles around that have the same energy that you could technically add up if you were adding them up like a wave, you can't do the same thing with particles, they're all separate.

所以，如果它们是波,你可以把其他的,拥有相同能量的粒子加起来，但是你不能把这些粒子加起来，因为它们是分离的。

麻省理工公开课 - 化学原理课程节选

So again, we should be able to check all of our formal charges and make sure they add up to 0, which they do, and that makes sense, because we have a neutral atom in terms of thionyl chloride.

因此同样地，我们可以检验一下,我们所有的形式电荷是否正确,确保它们加起来等于零，而它们确实是这样，这是合理的，因为亚硫酰氯是一个中性原子。

麻省理工公开课 - 化学原理课程节选

You plug all of this in and you get 344 kilojoules per mole, which then sums to 608.

把这些都算上,我们得到344千焦每摩，与上面结果加起来是608千焦每摩。

麻省理工公开课 - 固态化学导论课程节选