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
Would you get me some more water, please?
麻烦你再帮我加点水，行吗？
Old oxen have stiff horns.
牛老角硬。
Han Meimei says the nicest cakes come from Guangdong.
韩梅梅说广式月饼最好。