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雷达卡
Unit 19 Language
你会“口语”同时懂“手语”吗?请阅读下面这篇文章吧!
Sign has become a scientific hot button. Only in the past 20 years have specialists in language study realized that sign language is unique—it’s a speech of the hand.They offer a new way to explore how the brain generates1 and understands language,and throw new light on an old sc ...
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