Electron mirror
[电] 二次发射极
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
If you don't mind my asking, where did you come from?
你从哪儿来？要是你不介意我这么问的话。
You can count on us.
你可以信赖我们。
He threatened to remove them by force.
于是警察威胁要强行使他们离开。