| 释义 | butter clamn.(名词) A large, delicately flavored clam of the genusSaxidomus,  found on the Pacific coast of North America and having a distinctive shell that was formerly used as money by Native Americans. Also called  money shell 奶酪蛤:一种体大而味美的Saxidomus 属蛤,产于北美洲太平洋海岸,具有独特的贝壳,从前美洲土著人曾把这种贝壳当作货币使用 也作  money shell
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