Alkone
酮
🗣️ 情景例句
That's good, I thought I was late.
太好了，我还以为我来迟了呢。
You are saying you turn on the computer and see nothing?
你的意思是你把计算机打开后什么也看不见？
That's too expensive for us.
这对我们来说是太贵了。