"平衡球"是个多义词，它可以指Ballance,平衡球（GraphicDNA开发的手机游戏）,平衡球（益智小游戏）,平衡球（HomeBoy开发的手机游戏）。
通过站在平衡球上击球来挑战你自己。
Challenge yourself by standing with the arches of your feet on the balance balls, and making golf swings.
在所有的平衡球我看到视频，这个是最好的。
Of all the balance ball videos I have seen, this one is the best.
平衡球可以从任何一间健身器材零售店购得，对挥杆相当有帮助。
Balance balls can be purchased at any fitness retailer, and are very useful in the golf swing.
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