Acetacetatic acid
[建] 乙酰醋酸
🧩 词语组成解析
🗣️ 情景例句
Wait with your pictures for a second.
先别忙着你的摄影。
We can't hear clearly.
我们不能听得很清楚。
Some of the things were hundreds of years old.
展出的一些东西已有数百年的历史了。