English-Chinese/Sedimentary rock

Sedimentary rocks are rocks formed from sediment. They are deposited over time, and often show layers which can be seen in cliffs. Other types of rock are igneous rock and metamorphic rock.

沉积岩是由沉积物形成的岩石. 它们随着时间的推移而沉积，并且经常显示出可以在悬崖中看到的叠层. 其他类型的岩石是火成岩和变质岩.