Dihydroxy-
二羟基
🗣️ 情景例句
I continued to teach piano lessons at home.
我继续在家教钢琴。
As you sow you shall mow.
种瓜得瓜，种豆得豆。
Oh good! But where are the paper bags?
太好了。不过纸袋在哪儿？