Ventile
(指纺织品)预定可以防水而同时允许空气流通的
🗣️ 情景例句
I hope so.
但愿如此。
I guess it is.
我猜是这样。
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。