Learn English free online - how to pronounce word in English - English Learning Online- www.pronounceword.com






Belemnite
  • 英语发声
  • 美语发声
  • n. 箭石;乌贼的化石
  • 网络释义

    1、[古生]箭石
    ...,共3 种 缝合线曲折,极为复杂,全为化石种 四 鳃 亚 纲 菊石目 (Ammonoidea) 全为化石种,菊石(Ammononites)、箭石(Belemnite) 5 对腕 吸盘有柄 有石灰质内壳 十腕目 (Decapoda) 金乌贼(Sepia esclenta),内壳末端有骨针 无针乌贼(Sepiella),内壳末端无...

    短语

    Cretaceous belemnite白垩纪箭石

    peedee belemnite位中的拟箭石化石

    Belemnite Marls箭石泥灰岩

    belemnite carbonate箭石碳酸盐

    belemnite e箭石

    Peedee belemnite stanard PDB标准

    belemnite e carbonate箭石碳酸盐

    专业释义

    英英释义

    Belemnite [ 'beləmnait ]

    n.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



    英汉双解大词典

    belemnite /ˈbɛləmˌnaɪt/

    • 1.  

      N(名词) any extinct marine cephalopod mollusc of the order Belemnoidea, related to the cuttlefish 箭石; 已灭绝的头足纲软体动物,与墨鱼相关