Phthalidene
2-苯并[C]呋喃酮基
🗣️ 情景例句
I was in the neighborhood, so I thought I'd stop by.
我就住在附近，所以我想拜访一下。
I mean it. I'm serious. I'm no kidding!
我是认真的。
No, he doesn't.
不，他不发烧了。