你可以在家里尝试使用一些便宜的运动器材——比如哑铃，跳绳或是跟着视频做运动。
Look for some cheap equipment that you can use at home - like hand weights, a jump rope or DVDs.
针对调度绞车在现场使用中存在跳绳、绳的问题，提出了调度绞车液压排绳装置的设计研究。
The paper deals with the design of hydraulic rope-aligning device of dispatching winch used for mine transportation.
克兰西为此解释到，这对那些不善于跳绳的人来说是个绝佳的锻炼工具。他说：“经常跳绳可以让你的四肢得到充分活动，也有助于心血管的运动，而使用无绳跳绳你就不用担心被绳索绊着而终止跳跃。”
if you are still jumping, you're still using your legs as well as your arms, and getting the cardiovascular workout. you just don't have to worry about tripping on the rope.
克兰西为此解释到，这对那些不善于跳绳的人来说是个绝佳的锻炼工具。他说：“经常跳绳可以让你的四肢得到充分活动，也有助于心血管的运动，而使用无绳跳绳你就不用担心被绳索绊着而终止跳跃。”
if you are still jumping, you're still using your legs as well as your arms, and getting the cardiovascular workout. you just don't have to worry about tripping on the rope.
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