Electron emission
[计] 电子发射
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
To teach a fish how to swim.
孔子面前读诗书，班门弄斧。
It is too late to shut the stalbe door when the steed is stolen.
失马锁厩，为时已晚；贼去关门，为时已迟。
I can't read it!
我看不懂这封信，