But she says there is much evidence that nicotine in tobacco smoke affects the nervous system, and child development and behavior.

VOA: special.2009.01.13

Rather, what happened is you heard English and--but the capacity grew in your head and something a lot more similar to the development of arms or legs or a visual system.

相反,你听到了英语,你脑中的英语能力得到增长,这个和手臂,下肢,或是视觉系统的发育很相似

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