belemnite

英[\'bel?mna?t]
美[be\'l?mna?t]

基本釋義

n.
箭石，烏賊的化石

英英釋義

Noun

  • 1. 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

最新英語單詞

行業(yè)英語