Acetacetatic acid
[建] 乙酰醋酸
🧩 词语组成解析
🗣️ 情景例句
Please sit down.
请坐下。
A useful trade is a mine of gold.
一样有用的手艺是取之不尽的财富。
The French authorities had the plane packaged and moved in parts back to France.
法国政府让人把飞机包装起来，一部分一部分地搬回法国。