Phthalidene
2-苯并[C]呋喃酮基
🗣️ 情景例句
I would like to introduce you to your editor.
我来介绍你认识这本书的编辑。
Thank you, if it's not too much trouble.
谢谢了，如果不是太麻烦的话。
Is that a car?
那是一辆小汽车吗？