911查询·英语单词
名词鱼龙
1. 鱼龙类：化石记载说明由干系爬行类发展成为鱼龙类(ichthyosaur)、蛇颈龙类(plesiosaurs)和初龙类的进出路线. 其中有的种类回到海洋. 后来的辐射发展成为似哺乳类爬行类、龟类、翼龙类、鸟类、恐龙等. 在这庞大的集群中 至今存活的爬行类仅有四个目(龟目、鳄目、有鳞目和喙头目 .
1. The quality of preservation is what is even more fossils containing impressive preserved is the number of ichthyosaur embryos.
它们的保存质量非常的好，但更令人称奇的是保存下来的育有胚胎的鱼龙化石数目。
2. The ichthyosaur remains are found in black, bituminous marine shales deposited about 190 million years ago.
人们在黑色的，含沥青的海洋页岩中发现了约19，000 年前沉积下来的鱼龙化石
3. The ichthyosaur remains are found in marine shales deposited about 190 million years ago.
人们在黑色的，含沥青的海洋页岩中发现了约 19，000 年前沉积下来的鱼龙化石。
4. The quality of preservation is outstanding, but what is even more impressive is the number of ichthyosaur fossils containing preserved embryos.
它们的保存质量非常的好，它们的保存质量非常的好，但更令人称奇的是保存下来的育石数目。
5. Given these factors, some areas have become a treasury of well-preserved ichthyosaur fossils.
当这些因素存在时，某些地区就会变成一个充满保存完好的鱼龙化石的宝库。
911查询·英语单词
6. The quality of pre servation is outstanding, but what is even more impressive is the number of ichthyosaur fossils containing preserve d embryos.
它们的保存质量非常的好，但更令人称奇的是保存下来的育有胚胎的鱼龙化石数目。
911chaxun查询·英语单词大全
noun
1. any of several marine reptiles of the Mesozoic having a body like a porpoise with dorsal and tail fins and paddle-shaped limbs