Fenchone
葑酮, 1, 3, 3-三甲基-1, 4-桥亚甲基-2-环己酮
🗣️ 情景例句
Do you ever think about other people?
你从来就不考虑考虑别人吗？
No answer.
没有人接电话。
Our TV set was broken last week. He mended it for us.
上星期我们的电视机坏了。他为我们修好了。