Ethanedial
[化] 乙二醛
🗣️ 情景例句
Please don't worry.
请别担心。
It isn't much.
那是微不足道的。
The city was equipped with a drainage system, for a great many clay pipes were found beneath the narrow streets.
城里甚至还敷设了排水系统，因为在狭窄的街道底下发现了许许多多陶土制作的排水管道。