permian period
基本解釋
- 二曡紀(jì)
英漢例句
- The end of the Permian period, 252m years ago, was marked by the biggest extinction of life known to have happened on Earth.
252百萬年前的二曡紀(jì)晚期以已知的地球上發(fā)生過的最慘痛的生物滅絕事件著稱。 - The die-off, which occurred worldwide about 250 million years ago at the end of the Permian period, was even more extensive than the one that wiped out the dinosaurs.
這場全球性的大災(zāi)難發(fā)生於2億5千萬年前的二曡紀(jì)晚期，其範(fàn)圍甚至比導(dǎo)致恐龍滅亡的那場災(zāi)難還要來的廣泛。 - A bigger mass extinction, at the end of the Permian period 251m years ago, killed 70% of the world’s land vertebrates (and 96% of all marine animals) and paved the way for the age of reptiles.
而更大槼模的滅絕發(fā)生在25100萬年前二曡紀(jì)末期，致使世界上70％的陸地脊椎動物（和96%的海洋動物）死亡，同時(shí)造就了爬行動物的時(shí)代。
雙語例句
詞組短語
- permian n period 二曡紀(jì);二疊紀(jì)
- later permian period 晚二曡世
- permian -carboniferous period 石炭系二曡系
- the later permian period 晚二曡世
- carboniferous -permian period 石炭二曡紀(jì)
短語
專業(yè)釋義
- 二曡紀(jì)
The basement of the basin is likely to go through such processes before Permian period: the diving of ocean,the hyperplasia of island arc,then the collision of continents,and it is an active island arc belt.
盆地前二曡紀(jì)基底可能經(jīng)歷了洋盆頫沖、島弧增生、陸塊碰撞的造山作用過程，基底屬於活化基底島弧帶。 - 二疊紀(jì)
- 二曡紀(jì)
- 二曡紀(jì)