Electron mirror
[电] 二次发射极
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
What shade do you recommend for me?
你给我推荐什么样的颜色？
His health has been lousy.
他的健康状况近来很糟。
What do you want to do next fall?
今年秋季你打算干什么？