Cisuralian

词形变化

more Cisuralian 比较级 most Cisuralian 最高级

释义与例句

adj.
  1. 1.

    Of a geologic epoch within the Permian period from about 299 to 270 million years ago; marked by the appearance of beetles and flies.

    地质
name
  1. 1.

    the Cisuralian epoch

    地质