Substitution compound
[医] 取代化合物
🧩 词语组成解析
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
She was hired on the spot by the company.
她当场就被那家公司雇用了。
Choose an author as you choose a friend.
选书如择友。
No, I haven't.
不，没有。