Permian period

Permian period

美 　英

• un.二疊系；二疊紀
• 網絡二迭紀；二疊紀時期；期二疊紀

英漢解釋

un.	1. 二疊系 2. 二疊紀

例句

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

這就是二疊紀以及整個古生代的終結。

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

252百萬年前的二疊紀晚期以已知的地球上發生過的最慘痛的生物滅絕事件著稱。

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

每個采樣的選址都經歷了二疊紀末期長達兩億五千兩百萬年的大滅絕時期。

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

二疊紀開始于2.99億年前，并以地球上最大規模的物種滅絕而結束。

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

山西省寧武煤田石炭二疊紀地層的劃分