sea urchin
Longman Dictionary of Contemporary English 5++LDOCE 5++ˈsea ˌurchin noun [countable] 
HBAa small round sea animal with a hard shell covered in sharp points 海胆
HBAa small round sea animal with a hard shell covered in sharp points 海胆Examples from the Corpus
sea urchin• Thousands of fertilized sea urchin eggs, starfish and blue clams returned to Earth with the astronauts.• Oyster soup with sliced sea urchin is the other original Loiseau signature dish.• But please, hold the sea urchin.ˈsea ˌurchin nounChineseSyllable
small with a shell sea hard Corpus a animal round
sea urchin
ˈsea ˌurchin
noun [countable]
a small round sea animal with a hard shell covered in sharp points
ˈsea ˌurchin
noun [countable]a small round sea animal with a hard shell covered in sharp points