Electron emission
[计] 电子发射
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
Is cash all right?
现金可以吗？
My brother is not quite twenty-five.
我的兄弟不够25岁。
He looked pale and his clothes were in a frightful state.
他面色苍白，衣服也搞得不成样子。