1.
THE RELATIONSHIP BETWEEN VOLCANISM OF EMEISHAN LARGE IGNEOUS PROVINCE AND MASS EXTINCTION DURING MIDDLE-LATE PERMIAN TRANSITION
峨眉山大火成岩省火山活动与中、晚二叠世之交生物大灭绝
2.
After each extinction, it took upwards of 10 million years for biological richness to recover.
每一次物种灭绝以后，大约需要一千万年来恢复生物多样性。
3.
The Triassic period ended 210m years ago with another mass extinction of sea creatures, and some land animals as well.
2.1亿年前三叠纪末期，大批海洋生物和部分陆地动物灭绝；
4.
Studies of fossils had pointed to five great extinctions in the past.
对化石的研究表明，历史上曾发生过5次大规模的物种灭绝。
5.
Calcimicrobialites after End-Permian Mass Extinction in South China and Its Implication of Paleo-environment;
华南二叠纪末大绝灭后的钙质微生物岩及古环境研究
6.
The giant panda has become an endangered species.
大熊猫已成了一种濒临灭绝的动物。
7.
About a thousand species of animals are in danger of extinction,
大约有一千种动物濒临灭绝，
8.
That species disappeared in the Ice Age.
那种生物在冰期就灭绝了。
9.
A species can become endangered for different reasons.
一种生物濒于灭绝有多种原因。
10.
any of numerous extinct terrestrial reptiles of the Mesozoic era.
许多已经灭绝的中生代陆栖爬行动物。
11.
Wild life is under threat everywhere.
野生动物到处受到 (灭绝的) 威胁。
12.
In Saudi Arabia the ibex may be the only large wild animal that is not threatened with extinction.
在沙特阿拉伯，野生山羊大概是唯一的没有濒临灭绝危机的大野生动物。
13.
Many animals are already extinct, or getting close to extinction.
不少动物已经灭绝或滨临灭绝。
14.
The extinction of key species could have cascading effects throughout the food web.
关键物种的灭绝可能通过食物链产生级联效应。
15.
extinct gymnosperms most of Carboniferous to Jurassic: seed ferns and allies.
生活于石炭纪至侏罗纪的大部分时间的现已灭绝的裸子植物；种子蕨及同源植物。
16.
extinct mammal-like reptiles found inhabiting all continents from the mid Permian to late Triassic.
从二垩纪中期到三垩纪晚期生活于各大陆的与哺乳动物类似的爬虫动物，现已灭绝。
17.
The coiled, flat, chambered fossil shell of an extinct mollusk belonging to the class Cephalopoda, which was abundant in the Cretaceous period.
菊石，鹦鹉螺化石已灭绝软体动物的螺旋形、扁平的化石外壳，属头足纲动物，大量存在于中生代
18.
Many species have disappeared or is going to disappear in future, which makes declines of biological diversity.
不少物种已经绝迹或濒临灭绝，导致生物多样性的衰减。