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
Right now, we should clean up this room.
现在， 我们应当清理一下房间。
Scum of society.
社会败类。
He described it as 'a very agreeable situation located within two small hills in the midst of which flowed a great river.
“地理位置十分适宜，位于两座小山的中间，一条大河从中间流过”。