原形：stratum复数：strata

The building is divided into several strata of apartments, each with its own entrance.
这栋大楼被分成了几个层次的公寓，每个都有独立的入口。
The stratified society in this country has led to significant income inequality.
这个国家的社会分层导致了巨大的收入差距。
Geologists study the stratigraphy of rock layers to understand Earth's history.
地质学家研究岩石层理来理解地球的历史。
The strata of sedimentary rocks reveal the sequence of events that occurred millions of years ago.
沉积岩层揭示了数百万年前发生的事件序列。
In urban planning, high-rise apartments are often grouped together in stratified communities.
在城市规划中，高层公寓通常被集中于分层社区。
Archaeologists carefully excavate strata to uncover ancient artifacts.
考古学家仔细挖掘地层以发掘古代文物。
Stratified forests, like those found in tropical rainforests, have distinct layers of vegetation.
分层森林，如热带雨林中的，有明显的植被层。
The management decided to implement a new policy based on a stratified sampling of employees.
管理层决定根据分层抽样实施新政策。
The stratification of education systems can lead to unequal opportunities for students.
教育体系的分层可能导致学生的机会不平等。
The strata of soil types vary across the vast agricultural land, affecting crop yields.
土壤类型在广袤的农业土地上呈现出分层，影响作物产量。