Crystal Cave is Wisconsin’s longest known cave. Crystal Cave located in Wisconsin's Pierce County, less than a mile west of Spring Valley on State Highway 29.
双语例句
1
Among the endless icy mountains is Ilum's CrystalCave.
在无边无际的冰封山脉中有伊冷的水晶洞。
2
They also visited a quartz crystalcave and a salt crystalcave to study the properties of crystal surfaces.
他们也用了一个石英晶体岩洞和一个盐制的晶体岩洞来研究晶体表面的特性。
3
Descending into the hole months later, in December 2009, a scientific team confirmed the new, naturally dry crystalcave about 500 feet (150 meters) below the surface.