Several skeletons of another early whale,Basilosaurus,were f
Several skeletons of another early whale,Basilosaurus,were found in sediments left by the Tethys
Several skeletons of another early whale,Basilosaurus,werefound in sediments left bythe Tethys Sea7 and now exposed in the Sahara desert.里的sediment是状语还是表语还是其他的什么?