Pentanizing
戊烷化
🗣️ 情景例句
Yeah. My new advanced exercise class.
对， 新的高级健身班。
It's a beautiful country with many large rivers.
这个国家很美，它有很多大河。
After I had stacked my shirts and underclothes in two empty drawers,
我将衬衫、内衣放进两个空抽屉里，