arthrodiran造句

例句与造句

1. ""'Mcnamaraspis kaprios " "'is an arthrodiran placoderm of the Family " Plourdosteidae " that inhabited the ancient reef system of north Western Australia during the Frasnian epoch of the Late Devonian period ( c . 380-375 million years ago ).
2. It's difficult to find arthrodiran in a sentence. 用arthrodiran造句挺难的