In vertebrates, the immune system provides a multiple defense against internal parasites.
在脊椎动物中，免疫系统提供了对体内寄生虫的多重防御。
They have no direct toxic effects on vertebrates.
它们对脊椎动物没有直接毒性作用。
Q: To what group of vertebrates does the elephant belong?
大象属于那种脊椎动物?
The end of the Devonian was a crucial time for vertebrates.
泥盆纪末期是脊椎动物出现很的关键时期。
Endemism of vertebrates and invertebrates is also very high.
公园里的本地特有的脊椎动物和无脊椎动物也很多。
No squirrels are known to hunt vertebrates, or even scavenge meat.
没有发现有松鼠猎取脊椎动物，或者以肉为食。
Moreover, the number of vertebrates has been reduced by 30 percent.
另外，脊椎动物数量已减少了百分之三十。
The underpart of the body of certain vertebrates such as snakes or fish.
某些脊椎动物(像蛇或鱼)身体的下部。
DESCRIPTION CREATINE is present in vertebrates and helps to supply energy to muscle.
产品说明肌酸存在于脊椎动物，为肌肉供应能源。
The origin of the vertebrates is one of the most important transitions in animal evolution.
脊椎动物的出现是动物 进化历史上一次质的 飞跃。
The origin of the vertebrates is one of the most important transitions in animal evolution.
脊椎动物的出现是动物 进化历史上一次质的 飞跃。
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