| 单词 | swordtail |
| 释义 | swordtail (extremely rare) n WORD FAMILY swordtail USAGE EXAMPLESThey breed a swordtail and a platyfish, both common pets, to create offspring that are more sensitive to UV light. Science Magazine(Aug 01, 2012) The way to a woman's heart is through her stomach—at least for the swordtail characin. Science Magazine(Jul 12, 2012) Rosenthal notes that swordtail fish are considered an important model system in animal communication and are widely used in female mate-choice research. US News(Feb 11, 2011) n freshwater fish of Central America having a long swordlike tail; popular aquarium fish Syn|Hyper Xyphophorus helleri, helleri, topminnow cyprinodont any member of the family Cyprinodontidae |
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