用“invertebrate animal”造句大全,invertebrate animal造句
AfterthePrecambrianEra,suchmarineinvertebrateanimalastrilobites,achiopods,nautiloids,horncorals,honeycombcoralsandtwiglikebryozoanswereabundantduringthePalaeozoicEra.ThePalaeozoicwasalsotheerawhenfish...