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
Language is for the exchange of idea, for communication.
语言是用来交换思想，用来交流的。
There is no sense in criticizing him.
批评他也没有用。
The majority of thepatients attending the medical out-patients departments of our hospitals
在医院门诊部看病的大多数人