| 释义 |
belemnites 英be'ləmnaɪts美be'ləmnaɪts COCA²⁵⁴³³⁷⁺⁶BNC⁷⁰⁸⁷⁹
基本英英
箭石类¹⁰⁰原型belemnite的复数
名词 belemnite:
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 |