purse crab
短语词形变化
purse crabs
复数
purse crabs
释义与例句
n.
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1.
A crab of species Birgus latro, of Indo-Pacific islands.
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2.
Any of family (Leucosiidae) of crabs characterized by an adult female having the abdomen formed into a hemispherical cup that snaps shut against the sternum to form a brood chamber for the eggs.