Electron concentration
[机] 电子浓度
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
You're so good in all your other subjects.
你别的功课都那样好。
He is working on a book about the Vietnam War.
他正在写一本关于越战的书。
The train was late but nobody knew the reason for the delay.
火车晚点了，但没人知道为什么。