uraninite造句

例句与造句

1. Ore minerals in the colorado-type deposits are of uraninite and coffinite, with associated vanadium and copper minerals .
   科罗拉多型矿床中的铀矿物为晶质铀矿和水硅铀矿，与之共生的还有钒，铜矿物。
2. In the older rocks below these glacial deposits are detrital uraninite and pyrite , two minerals considered evidence for very low levels of atmospheric oxygen
   这些冰河沉积物下方的较老岩层，是沥青铀矿与黄铁矿碎屑；这两种矿物被认定为大气中氧气极为稀少的证据。
3. It's difficult to find uraninite in a sentence. 用uraninite造句挺难的