old sex
old sex-
There was no difference of the iodine nutrition condition of children of 0-2 years old children in sex .
0~2岁儿童碘营养状况性别无差别；
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His latest book reflects the old preocccupations with sex and religion that typify much of his work .
他最新的书反映了人们历来对性和宗教的不减热情，这也是他大部分作品的特点。
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Years late , she appeared first vaginal bleeding , since 6 year old , her secondary sex characters developed , height growth acceleration ;
4岁首次阴道流血，6岁开始第二性征发育，生长加速；