Covalent link(age)
[化] 共价键
🧩 词语组成解析
a. 共有原子价的, 共价的
🗣️ 情景例句
We have closely connected with firms in USA.
我们同美国有良好的业务关系。
Her ring glitters with a big diamond.
她的戒指上的钻石闪闪发光。
I can't afford to go to a restaurant every day.
每天都去餐馆吃饭，我真是支付不起。