Phthalidene-
[化] 2-苯并[c]呋喃酮亚基
🧩 词语组成解析
2-苯并[C]呋喃酮基
🗣️ 情景例句
Yes. That would be much better.
行，那样也好。
The cow that's first up gets the first of the dew.
早起母牛先得露。
The English and Maths papers weren't easy enough for me.
英语和数学试题对我来说不很容易。