Many times coaches teach swimmers to sharply bend their elbow during the recovery.
很多次教练教育游泳者在整个移臂过程中屈肘，这通常带着他们手掌接近水表面。
Many times coaches teach swimmers to sharply bend their elbow during the recovery. This usually brings the hand close to the surface of the water.
很多次教练教育游泳者在整个移臂过程中屈肘，这通常带着他们手掌接近水表面。
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