伸缩shēnsuō 1.引长和缩短;伸出和缩进{retract; draw and be drawn back}: 有的照相机的镜头能够前后~。{The lenses of some cameras are retractable.} 2.〈比喻fig.〉在数量或规模上作有限的或局部的变动{flexible; elastic; adjustable; limited or partial alteration in quantity or scale}: ~性{elasticity; flexibility}|没有~的余地。{leave no latitude; leave no room for manoeuvring}