Phthalidene
2-苯并[C]呋喃酮基
🗣️ 情景例句
They talk about things like family, work, school or sports.
他们常常谈论家庭，工作，学校或运动。
Strike while the iron is hot.
见机行事。称热打铁。
Yes. It's time for class. Let's go.
是的。上课的时间到了。我们走吧。