oxygen debt
noun [ C ] biology specialized uk/ˈɒk.sɪ.dʒən ˌdet/ us/ˈɑːk.sɪ.dʒən ˌdet/
氧债(运动时身体消耗的额外氧气,需要在运动后恢复)
the extra oxygen that the body uses during exercise, which must be replaced when resting
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