Pikaia是什么意思 Pikaia的读音、翻译、用法

Pikaia是什么意思 Pikaia的读音、翻译、用法

'Pikaia'不是任何一个国家的语言,而是一种古生物的名称。它是在古生物学领域中使用的术语,指的是一种约5厘米长的原脊椎动物,生活于寒武纪时期,是人类祖先的远古生物之一。

以下是9个含有'Pikaia'的例句:

1. The Pikaia is considered to be one of the earliest and simplest vertebrates.(Pikaia被认为是最早和最简单的脊椎动物之一。)

2. The discovery of Pikaia has helped scientists better understand the evolution of our own species.(Pikaia的发现有助于科学家更好地了解我们自己物种的进化。)

3. Pikaia is known for its unique body shape, which resembles a flattened worm with a notochord.(Pikaia以其独特的体形而闻名,它长得像一个扁平的蠕虫,带有一个脊索。)

4. The fossils of Pikaia were first discovered in the Burgess Shale formation in British Columbia, Canada.(Pikaia的化石最初在加拿大不列颠哥伦比亚省的伯吉斯页岩层中被发现。)

5. The discovery of Pikaia and other early vertebrates has challenged the long-held belief that the evolution of vertebrates was a slow and gradual process.(Pikaia和其他早期脊椎动物的发现挑战了长期以来一直存在的观念,即脊椎动物的进化是一个缓慢而渐进的过程。)

6. Pikaia is believed to have lived in shallow seas, feeding on small organisms and detritus.(据信Pikaia生活在浅海中,以小型生物和腐殖质为食。)

7. The notochord of Pikaia is considered to be a precursor to the spinal column in vertebrates.(Pikaia的脊索被认为是脊椎动物脊柱的前体。)

8. One of the most well-preserved specimens of Pikaia was discovered in China in 1999.(xx年,在中国发现了最完整保存的一种Pikaia标本。)

9. The discovery of Pikaia has shed new light on the early evolution of animals and their development into more complex forms.(Pikaia的发现为早期动物的进化和向更复杂形式的发展带来了新的视角。)



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