Critics of the criminal justice system, however,point out that public defenders are often overworked and underpaid.
VOA: special.2009.08.31
There's no point where the circulatory system crosses the boundary between being inside you and outside of you, it's totally internal.
循环系统绝不会,跨越人体的内外界限,它完全位于体内
I'm using it just to make the point, which you already know about; that the nervous system is complex in it performs a complex set of functions.
我想通过这张图片阐述一些,你们已经知道的知识,即神经系统是一个,功能复杂的复合体
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