Dibasic keto acid
[化] 二价酮酸; 酮二酸
🧩 词语组成解析
a. 二元的\\n[化] 二元的; 二价的; 二碱价的; 二取代的
a. [化] 酮类的
🗣️ 情景例句
No, it's an original. My father's friend is a calligrapher, and I had him make it for you.
没错，这可是真迹。我父亲的朋友是书法家，专门帮你写的。
This dress is made of silk,isn't it?
这件衣服用丝绸做的，是吗？
Collecting as a serous hobby is quite different and has many advantages.
作为一种严肃的业余爱好的收藏活动完全是另外一回事，它具有许多益处。