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目的是调查月经初潮的影响。
The objective is to investigate the effects of menophania.
youdao
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你初潮是在什么年龄?
At what age did you start having periods?
youdao
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初潮在什么年龄?
At what age did you begin menstruating?
youdao
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初潮在什么年龄?
At what age did you begin menstruating?
youdao