A feather falls slower than a stone only because the air holds the feather back more than it does the stone.
羽毛比石头落得快，只是因为空气对羽毛的阻力要比对石头的大。
Everything around you, like the rough surface of a stone, the softness of a feather, and the smoothness of your favorite slide, has a different feeling.
你可以感受到石头的粗糙，羽毛的柔软，还有你最喜欢的滑板的光滑。对它们中的每一种你都会有不同的感觉。
Everything around you, like the rough surface of a stone, the softness of a feather, and the smoothness of your favorite slide, has a different feeling.
你可以感受到石头的粗糙，羽毛的柔软，还有你最喜欢的滑板的光滑。对它们中的每一种你都会有不同的感觉。
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