Cyclononanone
环壬酮
🗣️ 情景例句
I'm most grateful to you for taking so much trouble to explain the best way of getting there.
你不厌其烦地给我解释去那里的最佳途径，我对些深表感激。
Who did I piss off?
我招谁惹谁啦？
The baby was about ten months old. At first she was asleep.
那小孩大约10个月大。最初，她是睡着的。