Nbs
[计] 国家标准局
🗣️ 情景例句
next time
下一次
I broke 5 cups.
我打破了五个杯子。
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。