n.原子,原子能,微粒,微量
He patented the idea that the atom could be split.
他获得了“原子可以再分”这一概念的专利权。
the splitting of the atom
原子的分裂
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子由两个氢原子和一个氧原子构成。