quartz rock

• 石英岩

quartz rock的用法和样例：

例句

1. Quartztes and rock salt have the highest conductivities.
   石英岩和岩盐的热导率最高。
2. The high walls of rock are made of weather-resistant quartzite.
   那高高的岩石墙壁是由对风化有抵抗的石英岩组成的。