常見例句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(zhì)化石，許多滅絕的頭足類動(dòng)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(zhì)化石，許多滅絕的頭足類動(dòng)物 返回 phragmocone