单词	Amphipoda
释义	Amphipoda plural noun Am·​phip·​o·​da amˈfipədə : a large group, usually an order, of malacostracan crustaceans (division Peracarida) comprising the beach fleas and related forms; being mostly of small size with laterally compressed body, four anterior pairs of thoracic limbs directed forward, and three posterior pairs directed backward and upward, the thoracic limbs bearing gills; being usually aquatic in fresh or salt water, and a few (as the whale louse) being parasitic Word History Etymology New Latin, from amphi- + -poda First Known Use 1817, in the meaning defined above
随便看	sartorius sartors Sartre sartrean sartrian sarts Saruk saruk Sarum sarus sarus crane sarus cranes saruses Sarvastivadin sarwan SAS sas islands Sasak sasaks sasanian sasanians sasanid sasanids sasanqua SASE

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