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你的椅垫可以拿来当作浮具使用。
Your seat cushion can be used as a flotation device.
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水的重量、浮具还有其它一些可用器材，都可用来增加水的阻力，除此之外，这些器材还要能为人体提供浮力及维持人体平衡。
Water weights, floating belts, and other useful equipment are used to increase water resistance as well as help with flotation and balance.
浮针为新型针具。
Superficial needle is a new type of needling tools.
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