The bones have very low friction compared to modern metal blades because of the residual fat on the bones.

同现代冰鞋上的冰刀比起来，由于残留着油脂，马骨的摩擦力更小些。

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The bones have very low friction compared to modern metal blades because of the residual fat on the bones.

同现代冰鞋上的冰刀比起来，由于残留着油脂，马骨的摩擦力更小些。

youdao