单词	dugong
释义	dugong /ˈduːɡɒŋ / /ˈdjuːɡɒŋ/ noun (plural same or dugongs) A sea cow found on the coasts of the Indian Ocean from eastern Africa to northern Australia. It is distinguished from the manatees by its forked tail. Dugong dugon, family Dugongidae. Genetic evidence suggests that the elephant's closest relatives in evolutionary terms are manatees and dugongs, herbivorous sea cows that live full-time in the water.... Dugongs and manatees make up the order Sirenia, so-named because dugongs and manatees are thought to have given rise to the myth of the mermaids or sirens of the sea. A modern analog for this is the dugong from the Pacific Ocean. Origin Early 19th century: based on Malay duyong.
随便看	relationship selling relationship therapy relation word relatival relative relative address relative addressing relative aperture relative atomic mass relative clause relative density relative deprivation relative error relative humidity relatively relatively prime relative molecular mass relativeness relative permeability relative permittivity relative pitch relative pressure relative pronoun relative proper motion relative sexuality

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