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- spinal extension exercises 脊柱伸展操练
- Squats are an example of a closed-chain kinetic exercise whereas quadriceps extension exercises on a weight training machine are an open-chain exercise. 闭链运动的练习如下蹲，而在一个重量训练机上做延长股四头肌锻炼是一个开放链运动。
- Active trunk extension exercise training had been advocated as an effective treatment for the patients with chronic LBP (CLBP) beside the traditional passive physical modality intervention. 主动式腰部伸肌运动训练已被提倡给予慢性下背痛（CLBP）搭配传统的被动式复健，做为一种有效的治疗。
- She watch them do exercises this morning. 今天早上她看着他们做练习。
- He exercises everyday in pursuit of health. 他为了健康而每天锻炼。
- He had a spinal injury in that accident. 他在那次事故中脊柱受了伤。
- Relaxation exercises can free your body of tension. 放松运动可以松缓身体的紧张。
- He asked for an extension of his visa. 他申请延长签证有效期。
- Do more exercises or you will be out of condition. 多做锻炼否则你会身体不好的。
- Look over the exercises before handing them in. 把练习再检查一遍。
- He exercises forbearance in dealing with people. 他宽以待人。
- He built an extension onto his house. 他给自己的住宅扩建了一部分。
- I'm played out after all that exercises. 所有操练项目做完之后我累坏了。
- Extension of the injured arm was painful. 把受伤的胳膊伸展开是很疼的。
- Mr.Smith needs more exercises to keep fit. 史密斯先生要健身还需要更多的锻炼。
- By extension, an array of any number of dimensions. 广义来说，矩阵可以是任意维数的数组。
- A textbook of reading exercises. 阅读练习内容为阅读练习的教科书
- knee joint flexion and extension exerciser 膝关节弯曲伸长训练器
- Swimming exercises the whole body. 游泳能使身体得到全面的锻炼。
- I get up early so that I can do some exercises. 我早起为的是能锻炼一下身体。
