双语例句
| The Devonian period system is known for the diversification of fish. | 泥盆纪时期系统以鱼类的多样化而闻名。 |
| Geologists studied the Devonian period system to understand ancient reef formations. | 地质学家研究泥盆纪地层系统以了解古代礁体形成。 |
| Fossils of early tetrapods have been found in the Devonian period system. | 在泥盆纪地层系统中发现了早期四足动物的化石。 |
| The Devonian period system spans about 60 million years. | 泥盆纪时期系统跨越约6000万年。 |
| This paper focuses on the Devonian period system in the Appalachian Basin. | 本文聚焦阿巴拉契亚盆地的泥盆纪地层系统。 |