belemnites
📖 中文释义
- (belemnite 的复数) n. 箭石
🧩 词形变化
原形 belemnite
📘 English Definition（英文释义）
- 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