查询词典 vertebrates

In some lower vertebrates the Epiphysis Cerebri - Pineal Gland - has a well-developed eye-like structure; in others though not organized as an eye, if functions as a light receptor.

在一些较低等脊椎动物Epiphysis Cerebri-松果体–具有像眼睛一样发育很好的结构；有些虽然不成形为眼睛，即使是作为光的受体。

The embryos of land vertebrates are enclosed within four extraembryonic membranes that afford protection while still permitting the exchange of gases, nutrients, and other materials.

脊椎动物的胚胎被4层膜包被，起保护作用，但仍能交换气体，营养和其他物质。

Embryonic Coverings and Membranes The embryos of land vertebrates are enclosed within four extraembryonic membranes that afford protection while still permitting the exchange of gases nutrients and other materials.

脊椎动物的胚胎被4层膜包被，起保护作用，但仍能交换气体，营养和其他物质。

Extinct group of armored fishlike vertebrates; taxonomy is not clear.

已灭绝的有甲脊椎动物，外形与鱼相似；其分类尚不明确。

Any of various flagellate protozoans of the genus Trichomonas,occurring as parasites in the digestive and urogenital tracts of vertebrates.

毛滴虫各种毛滴虫属的有鞭毛的原生动物中的任何一种，是出现在脊椎动物的消化道和尿道中的寄生虫

Worm that is parasitic on the intestines of vertebrates especially roundworms and tapeworms and flukes.

寄生在脊椎动物体内的蠕虫，特别是蛔虫、绦虫和吸虫。

A corresponding bone in the forelimb of other vertebrates.

其他脊椎动物的前肢上相应的骨头

A homologous or similar part in other animals,as the terminal part of the forelimb in certain vertebrates.

类似手形的事物别的动物身上与之相应的或类似的器官，比如某些截肢动物前肢的终端

A correspond ing bone in the forelimb of other vertebrates.

其他脊椎动物的前肢上相应的骨头

A homologous or similar part in other animals,as the term in al part of the forelimb in certa in vertebrates.

类似手形的事物别的动物身上与之相应的或类似的器官，比如某些截肢动物前肢的终端

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。