而且，那块页岩包含着很多在20到30英寸之间的新生幼体的化石。

而且，那块页岩包含着很多在20到30英寸之间的新生幼体的化石。的英文翻译

基本释义

• In addition, the shale contains the remains of many newborns that are between 20 and 30 inches long.