详细解释:n. 箭石
英语解释：
名词 belemnite:
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详细解释：
bel.em.nite
n.（名词）A cone-shaped, fossilized internal shell of any of an extinct genus of cephalopods related to the cuttlefish.箭石：由灭绝的与乌贼有血亲关系的头足纲动物的内壳形成的尖锥状化石
来源：New Latin belemnotôs 现代拉丁语 belemnotôs from Greek belemnon [dart] * see g wel…- 源自 希腊语 belemnon [标枪，短矛，投标枪] *参见 g wel…-