单词 | orca |
释义 | orca (once / 26442 pages) n WORD FAMILY orca: orcas USAGE EXAMPLESNot all whales — our own orcas are in bleak times. Seattle Times(Dec 30, 2016) Motor oil, pesticides and other pollutants pose an ongoing threat to salmon, orcas and other marine life, as well as commercial fishing and swimming. Washington Times(Dec 30, 2016) This year was a tough one for Puget Sound orcas. Seattle Times(Dec 27, 2016) n predatory black-and-white toothed whale with large dorsal fin; common in cold seas Syn|Hyper Orcinus orca, grampus, killer, killer whale, sea wolf dolphin any of various small toothed whales with a beaklike snout; larger than porpoises |
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