Valence shell
[化] 价电子层
🧩 词语组成解析
valence
[['veiləns]]
n. 原子价\\n[化] 化合价; 原子价
shell
[ʃel]
n. （贝、卵、坚果等的）壳;外壳;炮弹;（人的）表面性格;
vt. 去壳，脱落;炮击;
vi. 剥皮;炮轰;
🗣️ 情景例句
What's the tuition for one year of college?
大学一年的学费是多少？
A cock is valiant on his own dunghill.
夜郎自大。
I don't think you'll have any difficulty in pushing sales.
我认为你推销时不会有任何困难。