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
know that I'm running for office
知道我正在竞选公职，
Don't you think you've eaten enough?
你不是吃的很多了吗？
and that their rims are clean and dry.
瓶口清洁干燥。