Mesulphen
二甲基硫蒽
🗣️ 情景例句
I hope you won't take offense if I ask you not to smoke.
如果我请不你要吸烟，希望你不要生气。
Please don't snack; you will ruin your dinner.
请别吃点心了，你会对正餐失去胃口的。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”