# stratum
##### 词义
- 英:/ˈstrɑːtəm/; 美:/ˈstreɪtəm/
- #词性/n 地层;层;阶层;岩层
##### 例句
- Study and application of dominant stratum theory for control of strata movement
- 岩层控制关键层理论的应用研究与实践
- Experimental study of the air distribution characteristics in room of stratum ventilation
- 里格登透气性试验仪层式通风室内气流组织特性试验研究
- It was an enormous task that affected every stratum of society
- 这是一项影响到社会各阶层的重大工作。
##### 形态
- #形态/word_pl strata