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来源:雅诚德英语网
Second, once sleep is fully obtained, there is an increase of carbon dioxide and a decrease of oxygen in the blood that persists during NREM.
第二,一旦完全进入睡眠状态,非快速眼动期间血液中的二氧化碳增加,氧气减少。
Second, once sleep is fully obtained, there is an increase of carbon dioxide and a decrease of oxygen in the blood that persists during NREM.
第二,一旦完全进入睡眠状态,非快速眼动期间血液中的二氧化碳增加,氧气减少。