Phthalidylidene
[化] 苯并[c]呋喃酮亚基
🗣️ 情景例句
I love it when people come over to visit.
我喜欢别人来造访。
Could I have the bill, please?
请把帐单给我好吗？
Ducks know how to swim when they are born.
鸭子天生会游泳