| 单词 | swordtail |
| 释义 | swordtail /sawrd"tayl', sohrd"-/, n. any of several small, brightly colored, viviparous, freshwater fishes of the genus Xiphophorus, native to Central America, having the lower part of the caudal fin elongated into a swordlike structure: often kept in aquariums. Also called helleri. [1925-30; SWORD + TAIL1] |
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