Phthalidene
2-苯并[C]呋喃酮基
🗣️ 情景例句
He started out on a voyage around the world.
他开始周游世界。
Think of the devil and he's looking over your shoulders.
说到曹操，曹操就到。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。