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 do wish you wouldn't do that.
我希望你别那么做。
Can I speak to Mr. Li?
我能请李先生讲话吗？
He talks as if he were the head of the office.
他说话的口气像办公室主任似的。