Naphthenone
环烷酮
🗣️ 情景例句
I made a pig of myself.
我吃得像一头猪！
John has extracurricular activities. He's on the football team.
约翰有课外活动。 他参加了足球队。
Don't you think we should add a sentence here like this?
难道你不觉得我们应该在这儿加上一句话？