Electron concentration
[机] 电子浓度
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
I wish he felt better.
我真希望他现在好一点。
Fifty-litre carboy would be the most economical size. Carboys may be retained without charge for two months.
50升的瓶子应是最经济的尺码，这些瓶子可免费保存两个月。
Don't cry over spilt milk.
不要做无益的后悔。