Hop or bounce in the seated position between 3 - 5 inches per hop.

单脚跳或跳在那坐在每单脚跳3-5寸之间的位置.

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Also, it avoids any tendency to stick in the seated position.

此外, 还避免卡住在阀座里的可能性.

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Daniel Webster's best trick was jumping from a seated position; that is, with no running start.

丹尼尔·韦伯斯特 的绝技是不用助跑跳到某个指定的位置.

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Daniel Webster's best trick was jumping seated position ; that is, with no running head start.

丹尼尔.韦伯斯特的 拿手好戏 是肩并肩比跳,换句话说, 无需先起跑.

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