Hydroxy
[化] 氢氧基
🗣️ 情景例句
What did you learn at school today?
你今天在学校学了什么？
Wendy, I'd like you to meet my brother Sam.
温迪，我来向你介绍一下我的兄弟萨姆。
I went downstairs and sat in front of the television pretending to read.
便来到楼下坐在电视机前假装看书。