大脑皮质：指大脑外层的灰质层，负责整合感觉冲动和各种高级智力活动。

Cerebral cortex: layer of gray matter that constitutes the outer layer of the cerebrum and is responsible for integrating sensory impulses and for higher intellectual functions.

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然而儿童大脑额叶皮质发育尚未成熟，他们爱冲动、行为缺乏思考、自我控制能力不强，并可能引发诸多不良行为。

However, the child's frontal cortex in the brain has not matured yet, so they conducted with lack of thinking, great impulse and weak self-control, which may lead to a lot of bad behaviors.

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