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
Now for the hard part.
现在到了最难的部分。
The lone sheep is in danger of the wolf.
孤独的羊难免遭狼的危险。
but they did not go out of their way to court such excitement.
但是，他们并非故意寻求这种刺激，