'Acanthostega'这个词语源于希腊语,意思是“带有棘刺的覆盖物”。它是一种已经灭绝的早期四足动物,是从水生环境逐渐发展到陆生环境的过渡物种之一。由于其非常原始的特征,成为了古生物学研究领域中的重要研究对象。
以下是9个含有'Acanthostega'这个词语的例句:
1. Acanthostega是生物学家们研究陆生动物进化历程的一个重要窗口。
(Acanthostega is an important window for biologists to study the evolution of terrestrial animals.)
2. Acanthostega的四肢结构很原始,但它已经具备了从水生到陆生的一些转变特征。
(The limb structure of Acanthostega is very primitive, but it already has some transitional features from aquatic to terrestrial.)
3. Acanthostega是一个不断进化的过程中所遇到的一系列挑战的见证者。
(Acanthostega is a witness to a series of challenges encountered during the process of continuous evolution.)
4. 研究Acanthostega的化石能够帮助我们更好地理解四足动物的演化历程。
(Studying Acanthostega fossils can help us better understand the evolution of four-legged animals.)
5. Acanthostega的化石主要分布在格陵兰岛和加拿大北部。
(Acanthostega fossils are mainly distributed in Greenland and northern Canada.)
6. Acanthostega的发现证明了四足动物从水生到陆生的适应过程是非常逐步进行的。
(The discovery of Acanthostega proves that the adaptation of four-legged animals from aquatic to terrestrial is a very gradual process.)
7. Acanthostega的一个重要特征是具有多个脊椎,这是一种在陆生动物中非常普遍的特征。
(An important feature of Acanthostega is the presence of multiple vertebrae, which is a very common feature in terrestrial animals.)
8. 生物学家们通过对Acanthostega进行的研究,发现它的四肢结构比一些现代两栖动物更为原始。
(Biologists have found through their studies of Acanthostega that its limb structure is more primitive than that of some modern amphibians.)
9. Acanthostega为我们揭示了四足动物进化历程中的一些秘密。
(Acanthostega reveals some secrets in the evolution of four-legged animals.)
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