Ketonic
酮的
🗣️ 情景例句
Where are your manners?
你的规矩哪里去了？
Hi, thief! Would you stop that music for me?
喂，小偷兄，你能替我把音乐关掉吗？
The airport was built years ago, but for some reason it could not be used then.
机场是许多年前建的，但由于某种原因当时未能启用。