Electron mirror
[电] 二次发射极
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
Did you make any long distance calls this morning, or did you sign for your breakfast?
您今天早上没有打长途电话或吃早餐记账？
An old poacher makes the best keeper.
老偷猎者是最好的看守人。
but they do underline the general principle that the relationship between elephant and mahout is the key to successful training.
但强调了一项基本原则，象和驯象员之间的关系是驯象成功与否的关键。