大家在查： -CONH- vulvae 约翰•梅纳德•凯恩斯5 academic years olitical 马斯拉图尔温纳奇 2000年10月 1百5十万 straight forward

leaving residual

leaving residual

leaving residual

leaving residual

1

Take a little extra time to exhale , since leaving residual carbon dioxide in the lungs can impede the delivery of oxygen on the next inhale .

呼气用时略多，因为从肺脏排出的残余 CO2 可以阻碍下一次吸气的氧气输送。

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