Excess electron
[电] 过剩电子
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
How long have you known her?
你认识她多久了？
I'm going to give him a silver one.
我正要给他一个银的。
You can't buy them in the shop before eight o'clock.
上午八点之前你在商店里是买不到东西的。