Episode Details
Back to Episodes溜冰鞋的發明
Published 2 years, 3 months ago
Description
溜冰鞋,也稱為滑冰鞋, 利用減少摩擦力的原理來滑冰,通常設計都是鞋底加一塊薄刃刀片,令鞋子非常容易在冰面上前後移動。來聽聽溜冰鞋發明的故事喔!
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