irregularia造句
造句与例句手机版
- The irregular sea urchins are an infra-class inside the Euechinoidea, called Irregularia, and include Atelostomata and Neognathostomata . " Irregular " echinoids include : flattened sand dollars, heart urchins.
- It's difficult to see irregularia in a sentence. 用irregularia造句挺难的
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