Valence bond
[计] 价键
🧩 词语组成解析
valence
[['veiləns]]
n. 原子价\\n[化] 化合价; 原子价
🗣️ 情景例句
They also ask questions like Where do you come from? and Where do you live?.
他们也会问“你从哪儿来？”，和“你住在哪儿？”这样的问题。
If you hadn't slipped and fallen,you wouldn't have broken your leg.
如果你没滑倒,你就不会断腿了。
Carbonated drinks are acidic, and slightly safer.
碳酸饮料是酸性的，就更安全一些。