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
The bride's wedding gown is so beautiful.
新娘的婚纱太漂亮了。
He yanked out my ladder.
他使劲地拉了我的梯子。
and he had seen there evidence enough to overthrow Aristotle and Ptolemy together.
观察到的论据足以把亚里士多德和托勒密一起推翻。