Diols
二醇
🗣️ 情景例句
I'm not sure I'm up to it.
我不能肯定我是否能做得来。
Nothing is as good as it seems beforehand.
期待比现实更美好。
He, too, arrived near Calais on the same day with a new'Antoinette'.
同一天，他驾驶一架新的“安特瓦特”号飞机来到了加来附近。