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
and ask her to come by and talk about it.
请她过来谈谈这件事。
Love lives in cottages as well as in courts.
爱情无贵贱，贫负皆有之。
Yes, he's on the phone. Is he expecting you?
在家，他在打电话。他是在等你吗？