Read Edit View history 海膽 hǎidǎn sea urchin Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 海胆/ 海膽 hǎidǎn sea urchin A spiny invertebrate animal with a spherical or semi-spherical shell, found on the ocean floor. Edit Delete References Add reference No references for this word.
海胆/ 海膽 hǎidǎn sea urchin A spiny invertebrate animal with a spherical or semi-spherical shell, found on the ocean floor. Edit Delete