Permian period

Permian period

美 　英

• un.二叠系；二叠纪
• 网络二迭纪；二叠纪时期；期二叠纪

英汉解释

un.	1. 二叠系 2. 二叠纪

例句

This was the end of the Permian period, and of the era of life called the Paleozoic.

这就是二叠纪以及整个古生代的终结。

The end of the Permian period, 252m years ago, was marked by the biggest extinction of life known to have happened on Earth.

252百万年前的二叠纪晚期以已知的地球上发生过的最惨痛的生物灭绝事件著称。

Each sampling site spanned the mass extinction 252 million years ago at the end of the Permian period.

每个采样的选址都经历了二叠纪末期长达两亿五千两百万年的大灭绝时期。

The Permian period, which ended in the largest mass extinction the Earth has ever known, began about 299 million years ago.

二叠纪开始于2.99亿年前，并以地球上最大规模的物种灭绝而结束。

Dividing of Layer in the Permian Period in Ningwu Coalfield of Shanxi Province

山西省宁武煤田石炭二叠纪地层的划分