这个男孩正在快速过马路。

The boy is walking across the zebra crossing quickly.

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有一则报道讲述了一个完全失明的男孩，可以用面部视觉围绕他家附近的楼栋快速骑三轮车。

One report tells of a totally blind boy who could ride his tricycle at good speed round the block near his home, using facial vision.

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因为大脑内有特定的语言区域，所以女孩学习外语比男孩更快速而轻松。 这还解释了为何女孩的语法、标点符号和拼写能力更为出色。

Having a specific brain zone for speech allows girls to learn foreign languages faster and easier than boys, and it also explains why girls are better at grammar, punc- tuation and spelling.

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