dust ore

• 粉状矿石

dust ore的用法和样例：

例句

1. The motor car disappeared in eddy of dust.
   汽车在一片扬尘的涡流中不见了。
2. The forest will act as a defense against desert dust.
   森林能起防御沙漠灰沙的作用。
3. The ore is smelted in this large factory.
   这个大型工厂里熔炼矿石。
4. The car raised quite a dust as we drove off.
   我们走时车子扬起了一阵尘土。
5. A filter traps dust from the air.
   过滤网可存住空气中的尘埃。
6. First, ore is mixed with coke and limestone.
   先把铁矿石和焦碳、石灰石混合在一起。