sandstone例句

Both clay and sandstone are unstable rock formations.
黏土和砂岩都是不牢固的岩石构造。

An aquifer is a water - bearing rock stratum such as sandstone and chalk.
地下蓄水层是一些有水的岩石层,如沙岩和白垩岩.

Houses in the area are built of sandstone.
这个地区的房屋都是用砂岩建的.

• #sandstone