| stratum | |
| 级别 | 第10级 |
| 音标 | [ ˈstrɑ:təm ] |
| 解释 | n.地层，社会阶层 |
| 英英释义 | one of the parts or layers into which something is separated |
| 发音 |  |
| 例句 |
1. The coal is a coal resource that reserves in old stratum. 石煤是贮藏在古老地层中的一种煤炭资源。 2. How does Chinese society define the class and stratum? 中国社会如何界定阶级与阶层？ |
