Plants can't run away from danger, so investing energy in a body system which recognizes a threat and can feel pain would be a very poor evolutionary strategy, according to the article.
根据这篇文章的观点,由于植物无法逃离危险,所以将能量投入到能够识别威胁并感知疼痛的身体系统中,是一个非常糟糕的进化策略。
Defines the body system doctype.
定义主体系统文档类型。
Using the source program designed by BASIC, the static analysis of coplanar body system can be made.
源程序用BASIC语言设计,可用于解决平面物体系统的静力分析问题。
They found that TGF-beta helps to heal wounds and is important in the body's defense system against disease.
VOA: special.2009.01.27
We have other ways of protecting; many of our cells are inside our body protected by specialized cells of our skeletal system.
人类有其它的保护机制,我们体内的细胞受,特化的骨骼细胞保护
The way that they appear in your body tells the immune system something about where they came from.
抗原在体内出现的方式,向免疫系统表明了抗原的来源
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