Indolone
[化] 吲哚酮
🗣️ 情景例句
Clean? You call this clean?
干净这样算干净？
To be of use in the world is the only way to be happy.
为善最乐。
With great difficulty, he climbed into the shop window to get the dress.
费了好大劲儿，他爬进橱窗去取那件衣服。