ちそう
地層
stratum; geological formation; layer; bed (coal, gravel, etc.)
N5Common wordNoun
Noun
stratum•geological formation•layer•bed (coal, gravel, etc.)
Example Sentences
これは永久に凍っている地層であり、それが何フィートの深さの所もある。
This is a layer of soil that is permanently frozen, and in some places it's many feet deep.