单词	Acidaspis
释义	Acidaspis noun Ac·​i·​das·​pis ˌa-sə-ˈda-spəs : a genus of trilobites mostly with long spines found in the Ordovician, Silurian, and Devonian Word History Etymology New Latin, from Greek akid-, akis + New Latin -aspis First Known Use 1843, in the meaning defined above
随便看	main crop main deck main dish main drag main drain main droite main gauche main guard main guy main hatch main man main men main office main road main sequence main shaft main squeeze main stem Main Street main streeter Main Streets main topsail schooner main track main wales main yard

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