stratum
US /ˈstreɪt̬.əm/
UK /ˈstreɪt̬.əm/
名詞
1.
地層
one of the parts or layers into which something is separated:
範例:
•
The report shows that drugs have penetrated every stratum of American society.
在 Lingoland 學習這個單詞
地層
one of the parts or layers into which something is separated: