stratum
英 /'strɑ:təm/
中文释义
n. [pl. strata]地层
n. a layer or level, especially in geology.
常用搭配
- geological stratum地质层
- social stratum社会阶层
- stratum of society社会层次
例句
- Geologists studied each stratum of the cliff face.地质学家研究了崖面的每一层。
- The policy aims to help the lowest income stratum.该政策旨在帮助收入最低的阶层。