一位特殊老师正带领孩子们做团体活动，这群孩子里有唐氏儿，过动儿，语言障碍的孩子及肌肉发育不佳的孩子。

A special teacher was leading a group of child, there are Down's child, ADHD child, speech delayed child and hypertonia child in this group.

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But, also, there are genetic disorders, some falling under the rubric of what's known as "Specific language impairment," where children are born without the same ability as the rest of us to learn to speak.

但被叫做"特殊言语损伤"的遗传障碍,也能使你失去语言能力,儿童出生便不具有,我们其他人所具有的学习说话的能力

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