Electron pqir bond
[机] 见covalent bond
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
And you also need bodies to do repainting?
你们也需要人手来重新粉刷吗？
In Britain, there are open universities.
在英国，有成人大学。
He had to choose between death and dishonor.
他不得不在死亡和耻辱之间选择。