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
My father sends his regards to you.
我父亲向你问好。
I said, Do you need any help?
我是说:你需要帮忙吗？"
No, she isn't.
不，她没来。