Covalent formula
[建] 共价式
🧩 词语组成解析
a. 共有原子价的, 共价的
formula
['fɔ:mjulə]
n. 公式，准则;客套话;方案;婴儿食品;
🗣️ 情景例句
I think something he can use is the best. A watch or something.
最好是实用的，像手表啦或什么的。
Hello. Can I speak to Yolanda,please?
喂，我找约兰达讲话，可以吗？
I wish I had never met you.
我真后悔这辈子遇到你！