The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.
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。
Fossil formations like the Burgess Shale show that evolution cannot always be thought of as a slow progression.
像波基斯页岩这样的化石层表明进化不应该总被看作是一个缓慢的过程。
An unusual feature of the Burgess Shale is that it is one of the earliest fossil beds to contain impressions of the soft parts of animals.
布尔吉斯叶岩不同寻常的特质在于，它是保存有生物软体结构的最古老化石。
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