Dimetone
双甲酮, 二甲基环已二酮
🗣️ 情景例句
I'd like you to meet the group.
我希望你能与协会的成员见面。
Hi, Lucy. I'll take French and Economics.
你好，露西，我想选法语和经济。
He earned enormous sums of money and was paid as much as
100 for a single appearance.