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
Very good. Please fill out this form.
很好，请填写这张表格。
Downy lips make thoughtless slips.
嘴上没毛，办事不牢。
We had to climb over some rocks and it started to rain.
我们不得不爬过一些岩石，这时开始下起雨。