英语语法分析

"When people are sleep-deprived, there are higher levels of stress hormones in their bodies which can decrease immune function," says Doctor Felice of Northwestern University in Chicago.

芝加哥西北大学的费利斯博士说：“当人们睡眠不足时，他们体内的应激激素水平会升高，这会降低免疫功能。”

"When people are sleep deprived, there are higher levels of stress hormones in their bodies, which can decrease immune function." says Doctor Felice of Northwestern University in Chicago.

芝加哥西北大学的费利斯博士说：“当人们睡眠不足时，他们体内的压力荷尔蒙水平会升高，这会降低免疫功能。”

D 'felice asks me.

迪菲利斯问我。