It rids the body of excess lactic acid and to gradually reduce heart rate and respiration.它使游泳者消除体内过量的乳酸,并逐渐降低心率和呼吸频率.For example, it guarantees them the same rids all 4 years of undergraduate study.比如, 他们担保在4年本科阶段支付相同的续...

rids的音标：...

v.使摆脱，解除…的负担，从…中清除( rid的第三人称单数 )，摆脱，丢弃，扔掉...