carboniferous
「carboniferous」的意思
adj. 石炭纪的，石炭系的; n. 石炭纪，石炭层
n.石炭纪,石炭层adj.含碳或煤的
「carboniferous」的用法
carboniferous煤成岩的，富含碳的 - 地质学
「carboniferous」的例句
The Carboniferous period was a time of great geological activity.
石炭纪是一个地质活动活跃的时期。
During the Carboniferous, the Earth's climate was much warmer than it is today.
在石炭纪，地球的气候比今天温暖得多。
The Carboniferous rocks are rich in coal and other fossil fuels.
石炭纪岩石富含煤和其他化石燃料。
The Carboniferous era saw the rise of many plant and animal species.
石炭纪见证了许多植物和动物物种的崛起。
Scientists study the Carboniferous to understand Earth's history.
科学家研究石炭纪以了解地球的历史。
The Carboniferous period ended about 299 million years ago.
石炭纪大约2.99亿年前结束。
During the Carboniferous, forests covered much of the land.
在石炭纪，森林覆盖了大片土地。
The Carboniferous rocks are important for energy production.
石炭纪岩石对于能源生产很重要。
The Carboniferous era saw significant changes in Earth's atmosphere.
石炭纪见证了地球大气的重大变化。
Scientists use the Carboniferous rocks to study ancient climates.
科学家利用石炭纪岩石来研究古代气候。