Hexoketone
己酮-(2)
🗣️ 情景例句
I'm Susan Stewart.
我是 Susan Stewart。
I'm not rich. I wish I didn't have to pay the fine.
我不是富有人家，但愿不必交罚款。
There are also endless numbers of birds in the tar as well.
沥青坑里还有无数只鸟的尸体。