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
and when I'm ready to go back,
而当我准备好要回去时，
Are you going to America soon?
你就要去美国了吗？
Who could have imagined, in the mid 1970s, for example, that by the end of the 20th century, computers would be as common in people's homes as TV sets?
举个例子吧，在20世纪70年代中叶又有谁能想得到在20世纪末的时候，家庭用的计算机会像电视机一样普遍？