我们都知道熊猫是一种濒临灭绝的物种。
We all know that panda is a species that is on the edge of extinction.
一百万年前，我们基本上是濒临灭绝的物种。
A million years ago, we were essentially an endangered species.
伯吉斯页岩地层中也有许多代表着现代动物群中已经灭绝的物种的化石。
The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.
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