Electron concentration
[机] 电子浓度
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
He has a big sales office in Los Angeles,
他在Los Angeles有一个大的销售办事处，
How long do you watch TV every day?
你每天看多长时间电视？
It took me over half an hour to get rid of him.
我花了半个多小时才摆脱了他的纠缠。