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医生：这些症状是什么时候开始的？
Doctor: When did your symptoms begin?
youdao
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医生：这些症状是什么时候开始的？ ？
Doctor: : When did your symptoms begin?
youdao
-
症状是什么时候开始的？
When did the symptom begin?
youdao
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症状是什么时候开始的？
When did the symptom begin ?
youdao
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你是什么时候开始发现这些症状的？
When did you begin to notice these symptoms?
youdao
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你是什么时候开始发现这些症状的？
When did you begin to notice these symptoms?
youdao