Acetonide
丙酮化合物
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
Here's the money you need. The interest rate is 25%.
这是你要的钱，利息是25%。
How long has Kate been at her school?
凯特进校学习有多长时间了？