Polyketone
聚酮
🗣️ 情景例句
If enough people show interest, I'll run the show.
假如有足够多的人们感兴趣，我就开始表演了。
The best fish swim near the bottom.
好鱼游水底。
In the Zoo. Let's go and see them.
在动物园里。咱们去看看。