来源:http://news.omy.sg/News/World%2B ... 10211716-99752.html幼童吮吸奶嘴或许有助安抚情绪,但美国和之礼的研究人员发现,幼儿如果经常吮吸奶嘴和拇指, ...
Friday, April 30, 2010
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来源:http://news.omy.sg/News/World%2B ... 10211716-99752.html幼童吮吸奶嘴或许有助安抚情绪,但美国和之礼的研究人员发现,幼儿如果经常吮吸奶嘴和拇指, ...
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