Valence bond band
[电] 强键带
🧩 词语组成解析
valence
[['veiləns]]
n. 原子价\\n[化] 化合价; 原子价
band
[bænd]
n. 带;乐队;衣带;价值;
vt. 给…镶边;用带绑扎;（将价格、收入等）划分档次;把…联合起来;
vt.& vi. 结合起来，伙同;
vi. 聚集，联合（起来）（通常与together 连用）;
band(to bind)→皮带；带子；条纹；乐队
🗣️ 情景例句
May I ask who's calling?
请问你是谁？
You are welcome.
不客气。
Yes, I see. How can they get rid of waste water in this way? What a terrible colour the sea is now! It looks as if our class won't be able to bathe at all.
是的，我看见了。他们怎么能这样排放废水呢？海水的颜色多么可怕呀！看来我们班同学根本不能在这里游泳。