A freshwater fish with yellow eyes, yellow-green skin, and an upturned mouth; it occurs in clear, shallow water which has abundant vegetation throughout much of temperate Eurasia.
Mike Allaby
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。