the Devonian

• 泥盆纪

the Devonian的用法和样例：

例句

1. Laminated siliceous rocks in country rocks might represent the nature of the Devonian hydrothermal sedimentary rocks.
   围岩中的层纹状硅质岩可能代表了泥盆纪时期的热水沉积岩性质。