Electron concentration
[机] 电子浓度
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
Won't you be busy?
你不是有事吗？
It is a silly fish, that is caught twice with the same bait.
蠢人才吃两次亏。
I'm an office worker.
我是上班族。