Electron concentration
[机] 电子浓度
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
And the new drawings for the toy spaceship.
还有玩具太空船的新草图。
I want to make a long distance call.
我想要打一个长途电话。
That's OK.We really need the material.
没关系，我们急着要这些原料。