流逝汉英词典

phragmocone

P 开头单词

基本解释

  • (軟躰動物的)閉錐

同根派生

     

英汉例句

  • 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.
    烏賊的化石，圓錐形石灰質化石，許多滅絕的頭足類動物。
  • 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
    烏賊的化石，圓錐形石灰質化石，許多滅絕的頭足類動物