鱼鳍状肢(指鱼龙等古代海洋爬行动物的鳍状肢,由四肢演化而来,适应水生生活)
“ichthyopterygium”的音标:
英式:/ˌɪkθɪəʊˈpɪərɪdʒiəm/
美式:/ˌɪkθiəˈpɪriˌdʒiəm/
“ichthyopterygium”的用法和例句:
- Ichthyopterygia are the modified, paddle-like limbs of ichthyosaurs, which were highly adapted for swimming in ancient seas.
(鱼鳍状肢是鱼龙经过改造的桨状肢体,高度适应了古代海洋中的游泳生活。)
- The term "ichthyopterygium" derives from Greek roots, "ichthys" (fish) and "pterygium" (wing-like structure), reflecting its fish-like appearance.
(“ichthyopterygium”一词源自希腊语词根“ichthys”(鱼)和“pterygium”(翼状结构),体现了其类似鱼鳍的外观。)
- Fossils of ichthyosaurs often show well-preserved ichthyopterygia, providing insights into their locomotion and evolution.
(鱼龙的化石常保存完好的鱼鳍状肢,为研究其运动方式和进化提供了线索。)
- Unlike the fins of fish, ichthyopterygia are homologous to the limbs of terrestrial vertebrates, modified from ancestral legs.
(与鱼鳍不同,鱼鳍状肢与陆地脊椎动物的肢体同源,由祖先的腿部改造而来。)
- The streamlined shape of ichthyopterygia reduced drag, allowing ichthyosaurs to become fast and efficient predators.
(鱼鳍状肢的流线型设计减少了阻力,使鱼龙能够成为快速高效的捕食者。)
- Paleontologists study the bone structure within ichthyopterygium to understand how these reptiles transitioned from land to water.
(古生物学家通过研究鱼鳍状肢内部的骨骼结构,来理解这些爬行动物如何从陆地过渡到水中生活。)
- The evolution of ichthyopterygium is a classic example of convergent evolution, as similar structures evolved independently in ichthyosaurs and dolphins.
(鱼鳍状肢的进化是趋同进化的经典案例,因为类似的结构在鱼龙和海豚中独立演化出来。)
- Some ichthyopterygia had flexible joints, enabling both powerful swimming and precise maneuvering in complex marine environments.
以上参考资料是词义通为您整理的单词“ichthyopterygium”的解释和含义,如有错漏请向我们提供反馈意见。
来源:词义通 | 更新时间:2026-11-05 22:14:58 | 如有错漏欢迎反馈纠错
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