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A sea urchin, especially an edible one.
1920s. From French oursin from ours bear + -in, apparently so called because of its resemblance to a shaggy little bear.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。