As a boy adolescence , his secondary sex characteristics develop .

作为一个青春期男孩，这是他的第二性征在发展。

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A recent study found a link between object -control skills in childhood and fitness in adolescence .

最近一项研究发现，童年时期的目标控制能力和青年阶段的健康有关联。

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The results suggest that as girls progress from early puberty to late adolescence, certain regions of their brains become more active when they face a potential social interaction .

研究结果表明，女孩儿从青春期早期到晚期的发展过程中，她们脑部的某些特定区域在面对潜在的社会交往时变得更加活跃。

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