A small, edible clam (class Bivalvia) that occurs worldwide, living buried in sediment on sheltered, sandy beaches. There are more than 200 species.
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。