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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As the spring will bounce after it is pressed to the bottom, we should stand up when we face the challenge.

如同弹簧遇到压力会反弹，我们在挑战到来的时候应该站起来迎接。

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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'