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
It's OK to talk about it, Harry.
这件事可以摊开来谈， Harry。
He was renowned as a portrait painter.
他以肖像画家著名。
Hi, Li Lei! Am I late?
你好，李垒！我迟到了没有？