Crout and his students examined data from the NHANES [National Health and Nutrition Examination Survey], a national survey of Americans, which asked them about their health.是什么意思_Crout and his students examined data from the NHANES [National Health and Nutrition Examination Survey], a national survey of Americans, which asked them about their health.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句