例句與造句

1. A "'girdle "'is part of the anatomy of a chiton, one class of marine mollusks, the class Polyplacophora.
2. Recent analysis of the ultra structural and mechanical properties of the teeth present in that of " Chiton glaucus " and other organisms in the class Polyplacophora, one of the seven classes of mollusks, have shown to exhibit teeth of the most hardness and stiffness of any biomaterials known to date.
3. It's difficult to find class polyplacophoras in a sentence. 用class polyplacophoras造句挺難的