Covalent
a. 共有原子价的, 共价的
🗣️ 情景例句
We'll spend many more weekends like this.
我们以后可以多度几次这样的周末。
What number are you calling?
你打什么号码？
A Frenchman, for instance, might find it hard to laugh at a Russian joke.
譬如，法国人听完一则俄国笑话可能很难发笑。