单词	Spatangina
释义	Spatangina plural noun Spat·​an·​gi·​na ˌspatᵊnˈjīnə, -jēnə : a suborder of sea urchins (order Exocyloida) comprising numerous more or less flattened approximately heart-shaped sea urchins that exhibit considerable secondary bilateral symmetry compare clypeastrina Word History Etymology New Latin, from Spatangus + -ina
随便看	general certificate of education Leda Ledbetter lede ledeburite Lederberg lederhosen Lederman ledge ledged ledgeless ledgeman ledgemans ledgemen ledgement ledger ledger assets ledger bait ledger bark ledger blade ledger board ledger line mark of interrogation mark of reference mark of the beast

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