Meanwhile, the hand should travel directly under the centerline of the body and accelerate throughout the stroke.

同时，手在划水的过程中应该沿着身体的中线运动，并且处于持续加速状态。

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Meanwhile, the hand should travel directly under the centerline of the body and accelerate throughout the stroke.

同时，手在划水的过程中应该沿着身体的中线运动，并且处于持续加速状态。

youdao