在脊椎动物中,免疫系统提供了对体内寄生虫的多重防御。
In vertebrates, the immune system provides a multiple defense against internal parasites.
在这个话题中,最干净、最高度进化的生物可能是体内寄生虫,以及蜜蜂、黄蜂和蚂蚁幼虫。
It's possible that the cleanest and most highly evolved creatures where this topic is concerned are internal parasites, along with bee, wasp and ant larvae.
调查有关进口波尔山羊的体内寄生虫类别。
Investigate on endoparasite categories about importing Boer goat.
There's a parasite known as toxoplasmosis that lives in the bodies of rats.
有一种叫做弓浆虫的寄生虫,寄生在老鼠体内。
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