whewellite

例句：

1. 1. The whewellite mine is a major source of tungsten in the area.
   钨石矿是该地区主要的钨源。
2. 2. The scientist discovered a new type of whewellite that could be used in cutting tools.
   科学家发现了一种新型的钨石，可用于切割工具。
3. 3. The whewellite was mined from deep within the earth's crust, which is why it is sovaluable.
   钨石是从地球地壳深处开采的，这就是为什么它如此珍贵的原因。