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belemnites的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 belemnite:
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a conical calcareous fossil tapering to a point at one end and with a conical cavity at the other end containing (when unbroken) a small chambered phragmocone from the shell of any of numerous extinct cephalopods of the family Belemnitidae
