sea urchin
US /ˈsiː ˌɝː.tʃɪn/
UK /ˈsiː ˌɝː.tʃɪn/
1.
海胆
a small, round sea animal with a shell covered with sharp spines
:
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Be careful not to step on a sea urchin when walking on the beach.
在海滩上行走时，小心不要踩到海胆。
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Some people enjoy eating sea urchin roe as a delicacy.
有些人喜欢将海胆卵作为美味佳肴。