Electron pqir bond
[机] 见covalent bond
🧩 词语组成解析
electron
[i'lektrɔn]
n. 电子;
🗣️ 情景例句
It's your turn, Shirley.
轮到你了， Shirley。
The offer is made without engagement. All orders will be subject to our written acceptance.
此报盘没有约束力，所有定单以我方书面接受为准。
'I'll write a letter soon.
“我很快会写信的。