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
We have a wide connection in U.S.A.
我们在美国各地有广泛业务关系。
He has come to be recognized as an expert in the problem of overpopulation and food supply.
由于他的经验促使他终于成为了公认的人口过剩和食物供应问题的专家。
I'd come too if I had time to spare.
如果我能匀出时间，我也愿意去。