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've never heard such a pile of crap in my life!
我这辈子从来没听过如此胡说八道！
He who fears being conquered is sure of defeat.
怕吃败仗的就要打败仗。
That was a pleasant surprise.
这是意想不能的好事。