n. 【动物；动物学】 1.花?科 (Poeciliidae) 鱼〔如食蚊鱼 (Gambusia offinis)〕。 2.?科 (Cyprinodontidae) 鱼。
freshwater fish of Central America having a long swordlike tail; popular aquarium fish 同义词：swordtail, helleri, Xyphophorus helleri,
small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control 同义词：poeciliid fish, poeciliid, live-bearer,
您当前位置：