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第412期
Culture and Discovery
A chair at last for our sore backs
高一
第412期
作者:21ST
Aa
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A chair at last for our sore backs
IF you sit in a chair for too long or in a bad position, your back may begin to hurt. Now there is a new chair that could help you avoid (避免) that. It was developed by German scientists. It makes noises to tell users when they need to move.
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