| strata | |
| 级别 | 第12级 |
| 音标 | [ ˈstrɑ:tə ] |
| 解释 | n.地层（复数）；社会阶层 |
| 英英释义 | （the plural of snack stratum）one of the parts or layers into which something is separated |
| 发音 |  |
| 例句 |
1. The older strata gradually disintegrate. 较老的岩层渐渐风化。 2. They represent all social strata. 他们代表各个社会阶层。 |
