stereoscope

n apparatus through which two photographs, taken from slightly different angles, can be seen as if united and with the effect of depth and solidity 体视镜（可观看两张拍摄角度稍异的照片, 产生立体感）.

step down, step forward, step in, step out, step up, step-, step-father, step-ladder, step-parent, stepbrother, `stepsister, stepchild, stepfather, stepfather, `stepmother, stepparent, steppe, stepping-stone, stepson, `stepdaughter, stereo, stereo-, stereophonic, stereoscopic, stereotype, stereotyped, stereotyping, sterile, sterility, sterilization, sterilization, sterilisation, sterilize, sterilize, sterilise, sterling, stern, sternly, sternness, sternum, steroid, stertorous, stertorously, stet, stethoscope,