Electron pqir bond
[机] 见covalent bond
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
Put the tablecloth on the picnic table,
将桌巾布放在野餐桌上，
It is good to have some friends both in heaven and hell.
天堂上和地狱中都有几个朋友，这乃是一件好事。
Not at all, dear. It was a pleasure.
不必客气，亲爱的。这样我很高兴。