belemnite是什么意思 belemnite怎么读
英式：[be'ləmnaɪt]
美式：[be'ləmnaɪt]
belemnite单词基本解析：
n.箭石，乌贼的化石belemnite变化用词：
belemnite英英释义：
Noun1. 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
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
belemnite中文词源：
belemnite用法和例句：
belemnite
Belemnite Limestone
n. 箭石灰岩 (无,无)
Any of various mineral concretions,such as a belemnite,formerly supposed to be thunderbolts.
如过去被认为是雷石的箭石等各种矿物结核。
Any of various mineral concretions, such as a belemnite, formerly supposed to be thunderbolts.
很多矿物结核如箭石过去被认为是雷石。
"belemnite: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。