A small turtle (order Chelonia) that lives in fresh or brackish water. There are about 12 species known as terrapins. They do not form a taxonomic group.
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。