Acetone phrolysis
[机] 丙酮热解
🧩 词语组成解析
n. 丙酮\\n[化] 丙酮
🗣️ 情景例句
She said she'll call back?
她说过她会打电话回来？
A present!
有礼物！
That's right. And the air today is nice and clean.
对。今天空气很清新。