Propylaldehyde
丙醛
🗣️ 情景例句
Their relationship is over.
他们之间的关系完了。
I got there by plane.
我坐飞机去的。
I have always regarded the country as something you look at through a train window, or something you occasional visit during the weekend.
总认为乡村是透过火车车窗看到的那个样了，或偶尔周末去游玩一下景象。