belemnite
英语音标
英式：[beˈləmnaɪt]美式：[beˈləmnaɪt]
英语翻译
n.箭石
英语例句
用作名词 (n.)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。
知识扩展
belemnites箭石类
n.箭石
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。
箭石类