英语词汇sea urchin怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	sea urchin
释义	sea urchinn. a small marine echinoderm of the class Echinoidea, with a spherical or flattened spiny shell 海胆(长有球状刺壳)
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