Aromatic substitution
[机] 芳(香)族取
🧩 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
Probably a lot of advertising and bills.
大概是一大堆广告和帐单。
Sadness and gladness succeed each other.
悲喜互继，哀乐相续。
electronic goods and drug manufacturing.
-- 电子产品和药品的生产。