Euphorbin
大戟素
🗣️ 情景例句
Yup.
是的。
I haven't nothing to declare.
我没有要申报的东西。
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。