| 单词 | river dolphin |
| 释义 | > as lemmasriver dolphin river dolphin n. †(a) the dorado, Coryphaena hippurus; = dolphin n. 2 (obsolete rare); (b) any of several dolphins occurring in rivers in South Asia, China, and South America, which typically have pale skin, a long slender beak, and poor eyesight, and use echolocation to find prey.Formerly placed in the family Platanistidae, the five river dolphins are now assigned to four separate families, and most of them are critically endangered. ΘΚΠ the world > animals > fish > superorder Acanthopterygii (spiny fins) > order Perciformes (perches) > suborder Percoidei > [noun] > member of family Coryphaenidae (dolphin) gilthead1538 dorado1604 dolphin1626 golden-poll1655 goldfish1670 pudding-wife1735 river porpoise1736 river dolphin1781 pudding fish?a1808 mahimahi1905 lampuki1925 1781 R. Pulteney Gen. View Writings Linnæus 95 Coryphæna,..River Dolphin. 1880 Pop. Sci. Monthly June 230 A river-dolphin of South America has the greatest number [of teeth], two hundred and twenty-two. 1939 Geogr. Jrnl. 93 482 There were schools of river dolphins, but few other signs of life. 1988 Conservation Biol. 2 308 The Chinese river dolphin, the most highly endangered..small whale.., marked one more year of survival. 2002 Jrnl. Heredity 93 312/2 The Amazon river dolphin, genus Inia, is endemic to the major river basins of northern South America. < as lemmas |
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