belemnites的翻译,读音

释义:

单词belemnites书写

(belemnite 的复数) n. 箭石
plural of belemnite
n. 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