Electron mirror
[电] 二次发射极
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
We had a good day.
我们今天玩得很开心。
Me too. I was hoping we could finish copying this report today.
我也希望如此，我本来希望今天我们能复印完这份报告。
He died on January 30th, 1948.
他于1948年1月30日逝世。