Feature: Uses copyrighted chain spring with super bounce back and durable.

特点：采用专利精钢门环弹簧，超强回弹力，坚固耐力。

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To spring or bounce back after hitting or colliding with something.

在碰上或撞上某物之后跳回或弹回。反弹。

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This new type of basketball shoes in sole to install a spring mechanism, to enhance the athletes vertical bounce ability.

这种新型篮球鞋在鞋底安装了一种弹簧装置，以增强运动员垂直弹跳能力。

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On this spring afternoon, in 1930, they were playing Piggy on a Bounce -- one guy with a bat, everyone else in the field, and one guy would hit till someone caught the ball, or caught it on one bounce, and then the batter had to take the field.

CNN: Excerpt: 'Joe DiMaggio: The Hero's Life'