Mesulphen
二甲基硫蒽
🗣️ 情景例句
You won't believe this.
你会觉得难以置信。
She was the more promising worker of the two.
她是两个工人中比较有前途的一个。
Let me take a look at your shoulder. Where does it hurt?
让我看看你的肩膀。哪里疼？