词典释义：
双语例句
The Burgess Shale formation also has fossils of many extinct representatives of modern animal groups.
伯吉斯页岩化石群也含有很多现在已经灭绝了的动物化石.
The Middle Cambrian noncalcareous algse are common fossils in the Burgess Shale of British Columbia.
贵州台江凯里组的非钙质藻类化石在我国中寒武统尚属首次发现,国外主要见于北美.