Perco hf alkylation
[建] 培柯氟化氢烷基化
🧩 词语组成解析
[医] 铃(72号元素)
n. 烷化作用, 烷化\\n[化] 烷基化; 烷基取代
🗣️ 情景例句
The horse leaped a stream.
马越过小溪。
The perfume was very delicate.
那种香气非常优雅。
yet following her regular practice she had shut them before going out.
而她记得在出门买东西前，她按老规矩是把房门一一锁上的。