蹦床一张通常由帆布制的结实坚韧的床布，和弹簧一起连接在金属框架上，用于体操跳跃及翻滚。
A strong, taut sheet, usually of canvas, attached with springs to a metal frame and used for gymnastic springing and tumbling.
蹦床一张通常由帆布制的结实坚韧的床布，和弹簧一起连接在金属框架上，用于体操跳跃及翻滚。
A strong, taut sheet, usually of canvas, attached with springs to a metal frame and used for gymnastic springing and tumbling.
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