Acetone number
[化] 酮值
🧩 词语组成解析
n. 丙酮\\n[化] 丙酮
🗣️ 情景例句
How was your school-board meeting last night?
昨天晚上你们的联合校董会会议开得怎么样？
To save time is to lengthen life.
省节时间就是延长寿命。
Are there any flowers in the picture?
画里面有花吗？