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单词
rickets
释义
rickets
NOUN
U
/ˈrɪkɪts/
a disease that mainly affects children in which their bones become soft and bend . It is caused by a lack of vitamin d in the food they eat or by too little exposure to sunlight . （儿童因缺乏维生素Ｄ或接触阳光过少而患的）佝偻病