中国科学家今年先后在辽西北票地区发现十枚始祖鸟类化石。

Chinese scientists have successively discovered ten archaeopteryx-type fossils in the Beipiao region of Liaoxi this year.

youdao

中国科学家今年先后在辽西北票地区发现十枚始祖鸟类化石。

Chinese scientists have successively discovered ten archaeopteryx-type fossils in the Beipiao region of Liaoxi this year.

youdao