Dumontite
水磷铀铅矿
🗣️ 情景例句
He couldn't take time off to come to New York with me.
他走不开 没办法和我一起来纽约。
Nothing comes out of the sack but what was in it.
无风不起浪。
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的烟囱状通风管，