Pentanediol
戊二醇
🗣️ 情景例句
My parents will think it's a good idea.
我的父母会觉得这是件好事。
This restaurant serves spaghetti, but not pizza.
这家餐厅做通心粉，但是没有比萨饼。
What happened before printing was invented?
印刷术发明以前是怎么一回事？