Disphenoid
复正方楔; 双半面晶形
🗣️ 情景例句
It's just so lovely.
它是那么可爱。
I need small change.
我需要零钱。
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。