compsognathids造句

例句与造句

1. sinosauropteryx ( compsognathids ), beipzaosaums ( therizinosaurids ) and shuvuuia ( alvarezsaurids ) have the filament-like protofeathers that lack the rachis and barbules
   …具有最为简单的原始羽毛状构造，这种构造不具备羽干及羽小枝；而proto17vaeoptepe、ca。dhtepe。
2. It's difficult to find compsognathids in a sentence. 用compsognathids造句挺难的