softshell clam
noun
1- a marine bivalve mollusc with a thin shell and a long siphon, valued as food on the east coast of North America沙海螂。亦称SOFT CLAM, STEAMER CLAM.
1.1
- Genus Mya, family Myidae, especially M. arenaria.海螂属, 海螂科, 尤指沙海螂。