单词：topminnow
音标：['tɔp,minәu] ；
食蚊鱼
n small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control
n freshwater fish of Central America having a long swordlike tail; popular aquarium fish
n freshwater fish of Central America having a long swordlike tail; popular aquarium fish
词型变化：名词复数形式 : topminnows
单词：topminnow 相关文章
Populations of frogs, salamanders and other amphibians are declining around the worldeven in protected areas, like U.S. national parks. Ecologists needed a simple method to track the animals numbers. Now, researchers have found an effective way to ke
发表于:2019-02-14 / 阅读(211) / 评论(0)
2018年科学美国人1月
2018年科学美国人1月
For Minnows, A Suicidal Survival Strategy 北美多种小型鱼类，特别是鲤科(Cyprinidae)鱼类的总称。亦指荫鱼科(Umbridae)和鱂科(Cyprinodontidae)鱼类，minnow一词又泛指许多大型鱼类的幼鱼。北美的鲤科米诺鱼包
发表于:2019-03-09 / 阅读(287) / 评论(0)
英语听力文摘 English Digest
英语听力文摘 English Digest