Acetacetatic acid
[建] 乙酰醋酸
🧩 词语组成解析
🗣️ 情景例句
We have brought this transaction to a successful conclusion.
我们已成功地达成了协议。
Nothing is difficult to the man who will try.
世上无难事，只要人肯试。
Do you still have the cock year stamp?
你还有鸡年的邮票吗？