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
That's easy.
那太容易了。
They have brought wine with them to the dinner party.
他们为晚宴带来了美酒。
What did he do?
他是干什么的？