Degrandable
[计] 可降级的
🗣️ 情景例句
Thanks a lot!
多谢了！
I can't believe his story.
我无法相信他的说法。
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。