Primary root resorption is a physiological event for the primary teeth and plays an important role during normal replacement procedure.

乳牙根吸收是一种生理现象，在乳牙的正常替换过程中具有重要意义。

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"Cold water immersion can reduce the physiological stress of intense exercise the day after a race or event," says Leeder, who's working with the British Track Cycling Team.

“冷水浸没可以在比赛或训练的第2天减低高强度运动的生理压力，”英国赛道自行车队的Leeder说。

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