stratum
🇺🇸
/ˈstreɪtəm/
🇬🇧
/ˈstrɑːtəm/
noun
R
A layer of something, like rock or soil.
The scientists discovered ancient fossils in the lower stratum of the earth.
科学家在地球的下层地层中发现了古老的化石。
R
A level or group in a society.
Education can help people from different social strata to succeed.
教育可以帮助来自不同社会阶层的人成功。
translation
地层, 社会阶层
词形变化
Plural
strata