无脊椎的

Myriapod animals were probably one of the invertebrate animal groups that first colonized the terrestrial ecosystem during Early Paleozoic.

多足动物可能是最早入侵陆地环境的无脊椎动物之一。

Parthenogenesis occurs naturally in some species, including invertebrates and lower plants. It happens more rarely in some vertebrates.

某些生物天生具有单性生殖的能力，包括无脊椎动物和低等植物，但单性生殖在脊椎动物中较为罕见。

Furthermore, TTX and its analogs were detected in several phyla of vertebrates and invertebrates.

研究发现，TTX还广泛分布于河豚鱼之外多种脊椎动物及无脊椎动物的体内或体表。

Interestingly, the phylogenetic analysis of HSP70 revealed that planarian had a closer relationship to vertebrates, but far from to other invertebrates such as D. melanogaster and C. elegans.

有趣的是， HSP70亲缘关系分析表明：涡虫更靠近脊椎动物，而与无脊椎动物果蝇和线虫相距较远。

The brown rockfish feed on small fishes, crab, shrimp, and other small invertebrates.

布朗石斑鱼食小鱼、蟹、虾及其它小的无脊椎动物。

Any of various invertebrate animals resembling a plant such as a sea anemone or coral or sponge.

各种象植物的无脊椎动物，比如海葵、珊瑚或海绵。

JiPi animals gate sea cucumber (Holothuroidea or Holothurioidea) 1,100 kind of invertebrates.

棘皮动物门海参纲(Holothuroidea或Holothurioidea)1，100种无脊椎动物的统称。

Toothlike structure in invertebrates found in the mouth or alimentary canal or on a shell.

无脊椎动物口中或消化道或壳上发现的牙状结构。

Zoologythe shell or integument of some invertebrates and protozoans, especially the chalky shell of a foraminiferan or the tough outer layer of a tunicate

动（一些无脊椎动物和原生动物的）甲壳；介壳；被囊

But if that theory is correct then bdelloid rotifers, freshwater invertebrates that haven't had sex in at least 30 million years, should have been parasited into extinction long ago.

但是如果这个理论是正确的，那么蛭形轮虫（一种淡水无脊椎动物，它已经无性繁殖至少3000万年了）应该在很早以前就被寄生虫消灭了。

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。