Acetacetatic acid
[建] 乙酰醋酸
🧩 词语组成解析
🗣️ 情景例句
He was in trouble with the Customs.
他在海关那里有了麻烦。
While waiting for the train I killed time by reading a book.
在等火车的时候我看书来消磨时间。
That's not true.
那是不对的。