Electron concentration
[机] 电子浓度
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
I'm sure glad you're here, Grandpa.
您来这里我真高兴， 爷爷。
He has a pound of beef.
他有一磅牛肉。
So he decided to emigrate.
于是他决定移居他国。