Acetacetic acid
[化] 乙酰乙酸
🧩 词语组成解析
🗣️ 情景例句
My vacation was too short, I needed more time.
假期太短了，再有几天就好了。
It's hard sailing when there is no wind.
没有风难航行。
It is recounted of Thomas Carly1e that when he heard of the illness of his friend,
他听说朋友病了，