Covalent
a. 共有原子价的, 共价的
🗣️ 情景例句
Telephone Mrs. Zaskey at the advertising agency.
打电话给广告代理Zaskey夫人。
That's bullshit!
听你在放屁！
he stooped to talk to a workman.After they had gone on,
途中，停下来与一个工人交谈，接着他们继续往前走去。