Acetylacetic acid
[化] 乙酰乙酸
🧩 词语组成解析
🗣️ 情景例句
It's a book of pictures.
这是一本摄影集。
We only live once,, but if we work it right once is enough.
我们生命只一次，好自为之一次足矣。
because this is easier to shape than other kinds.
因为燧石较之其他石头更容易成形。