双语例句
There are fewer electrons around to s hield some of that nuclear charge.
即周围屏蔽原子核电量的,电子更少。
化学原理课程节选 : 麻省理工公开课
词典释义:
是吗
There are fewer electrons around to s hield some of that nuclear charge.
即周围屏蔽原子核电量的,电子更少。
化学原理课程节选 : 麻省理工公开课