Mesulphen
二甲基硫蒽
🗣️ 情景例句
What are you getting at?
你想说明什么？
If you run after two heares, you will catch neither.
两头落空。
She explained that Rastus was very dear to her.
拉姆齐太太解释说她心疼她的猫拉斯特斯。