Hf akylation
[建] 氢氟酸催化基化
🧩 词语组成解析
[医] 铃(72号元素)
🗣️ 情景例句
I hope you've brought your pictures along.
我希望你带了你的照片一起来。
Forgive me for breaking my promise.
原谅我食言。
Is that all? It seems worse than a cold.
仅此吗？看似比感冒重吧。