Acetals
缩醛
🗣️ 情景例句
My boss and some friends at the office.
我老板和办公室的同事。
Could you tell me where is the rest room?
你能不能告诉我洗手间在哪里？
In 1995, there was a very big race.
1995年举行了一次盛大的比赛。