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单词 pleuropterygii
释义 pleu·rop·ter·yg·ii
\ ̷ ̷ˌ ̷ ̷ ̷ ̷ˈrijēˌī\ noun plural
Usage: capitalized
Etymology: New Latin, from pleur- + -pterygii
: a subclass or order of small primitive Devonian elasmobranchs including the genus Cladoselache in which the paired fins are supported by unjointed parallel radial cartilages extending straight outward to the fin membrane and claspers are locking
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更新时间:2024/12/24 7:50:57