单词	oxygen debt
释义	oxygen debtˈoxygen ˌdebt noun [uncountable] a temporary medical condition in which not enough oxygen is going to the muscles in your body, caused by doing physical exercise that takes a lot of strength or effort
随便看	racy rad RADA radar radar gun radar trap Radcliffe, Paula raddled radial radial tyre radiance radiant radiantly radiate radiation radiation sickness radiator radical radicalism radicalize radically radicchio radii radio- radio

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