"It's not enough to just sit up straight if your core muscles are weak," said Dr. Praveen Mummaneni.
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旧金山加州大学外科医生莫曼奈尼博士说：“如果你的核心肌群比较虚弱，那么仅仅坐直是不够的。”
"It's not enough to just sit up straight if your core muscles are weak," said Dr. Praveen Mummaneni, a spine surgeon at the University of California, San Francisco.
Asifa a Majid from Radboud University in the Netherlands has found that the Jahai people of Malaysia and the Maniq of Thailand use between 12 and 15 dedicated smell words.
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