单词 | belemnite |
释义 | Word Frequency belemnite(ˈbɛləmˌnaɪt) noun 1. any extinct marine cephalopod mollusc of the order Belemnoidea, related to the cuttlefish 2. the long pointed conical internal shell of any of these animals: a common Mesozoic fossil Word origin C17: from Greek belemnon dart |
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