K electrons
[化] K层电子
🧩 词语组成解析
n. 电子( electron的复数形式 )
🗣️ 情景例句
Marketing promotion.
市场推广。
As relationships between the People's Republic of China and the United States strengthen more and more today.
随着当今中美两国关系的不断加强。
When you place a sheet of paper in a fax machine, the machine reads the writing on the page and changes the shapes of letters into electronic signals.
当你把一张纸放进传真机里，机器就会"读"纸上的字迹，把字的形状变为电子符号。