Phthalidene
2-苯并[C]呋喃酮基
🗣️ 情景例句
the biggest accounting company in the country.
是全国最大的会计公司。
Would you please give us a rough idea of the quantity you require?
请告知你方大概要订多少？
One Saturday morning, Frank visited an antique shop in my neighbourhood.
一个星期六的上午，弗兰克去了我家附近的一家古玩店。