muscle: n.【解剖学】肌(肉)；体力,膂力,力气。 an involuntary muscle 不随意肌。 a voluntary muscle 随意肌。 a man of muscle 大力士。 not move a muscle 毫不动容,神色不变。vi.〔美俚〕发挥膂力；用力挤着前进 (through)。 muscle in 硬挤进；干涉,侵入；强夺。adj.-less 无肌
length: n.1.长，长度，长短。2.(时间的)长短，期间。3.(赛艇的)一艇的长度；一马的长度。4.程度，范围。5.【板球】球程；投至适当距离的球。6.【语言学】音长。7.一段，一节。短语和例子a dress length, a length of cloth 一段料。 a length of pipe [tubing] 一节管子。 The boat won by three le
Passive stretching exercises to maintain muscle length and prevent tightness of knee muscles strengthening exercise for quadriceps muscle with cuff weight 物理治疗师作被动伸展运动，以防止学生膝后筋腱缩短
