它们占据了非常小的一部分,但当我们考虑原子的构造的时候,不用考虑它们会占用很多的质量。
They take up a teeny bit, but when we're thinking about the set up of the atom, we don't have to account for them as using up a lot of the mass.
但是,我们已经把这些困难的部分提出了,所以你不用担心了。
Naturally though, we've put the hard yards in so you don't have to.
如果您无法完成余下的任务,也不用担心 —— 本系列的第 3 部分将帮助您完成这些任务。
And don't worry if you can't complete the pending tasks -- Part 3 of this series will help you do just that.
应用推荐