stretchyadj.伸长的；有弹性的；容易伸长的stretchv.伸展；延伸；张开；夸大n.伸展；张开；弹性；一段时间；<俚>刑期adj.可伸缩的stretching factor拉伸因子stretch-twister抽伸加拈机stretch spun yarn弹力短纤纱stretching motion伸长运动stretching tensor伸缩张量stretching stress拉伸应力stretching weight拉伸重锤stretch flattener张力矫平机stretch downwards向下伸展stretchone's legs