Dialdehyde
[机] 二醛
🗣️ 情景例句
Do you have a room with a view?
你们有可欣赏到风景的房间吗？
No one can call back yesterday.
往日不复返。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。