Phthalidene
2-苯并[C]呋喃酮基
🗣️ 情景例句
Mother: Marilyn. Father: Richard.
母亲： Marilyn。父亲： Richard。
What are you eating?
你正在吃什么？
The deepest known cave in the world is the Gouffre Berger near Grenoble.
世界上最深的洞穴是格里诺布尔附近的高弗。伯杰洞，