Excess electron
[电] 过剩电子
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
That's what it is.
的确是如此。
In secondary school, children study history and geography.
中学的小孩会读历史和地理。
I have just finished my work.
我刚刚完成我的工作。