Electrophilic aromatic substitution
[化] 亲电芳香取代
🧩 词语组成解析
[机] 亲电性的
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
And you said ... ?
那你怎么说的？
If you cannot bite, never show your teeth.
不能打仗，切莫出兵。
At the time of his death, one person praised him as follows: Future generations, it may be, will hardly believe that such a person as this walked upon this earth.
未来的几代人有可能难以相信，在这个世间曾经有这样的一个人行走过。"