单词 | orca |
释义 | or·ca ![]() n. A black-and-white toothed whale (Orcinus orca) that feeds on large fish, squid, and marine mammals such as seals and other whales and dolphins. Also called killer whale. [Latin ōrca, whale, probably alteration (probably influenced by ōrca, vessel) of Greek orux, orug-, pickaxe, a kind of large fish or whale, perhaps from orussein, to dig.] ![]() Orcinus orca |
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