| 释义 |
am·phip·o·da
\amˈfipədə\ noun plural
Usage: capitalized
Etymology: New Latin, from amphi- + -poda
: 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 |