Hydrindantin
[化] 还原茚三酮
🗣️ 情景例句
but it's too early to know for sure.
但我现在还不能决定。
For me, studying in another country is very exciting.
对我来说，到国外留学是一件刺激而又有趣的事。
Yes, it is. You need to wear warmer clothes.
是啊，你应该穿得更暖和些。