n. 软壳蚌，沙海螂
soft-shell clam //
→comparequahog
a clam that is usually steamed in the shell
同义词： steamer / steamer clam / long-neck clam
an edible clam with thin oval-shaped shell found in coastal regions of the United States and Europe
同义词： steamer / steamer clam / long-neck clam / Mya arenaria
Many types of clam escape predators by burrowing into the sea bed using alternating movements of their shell and of the soft, muscular foot contained within that shell.
许多蛤类利用双壳及内部柔软强健足部的交替运动在河床上掘洞来逃避天敌。