calipers

剑桥词典

calipers noun [plural] (TOOL)

(UK also callipers)
a device for measuring widths or distances , consisting of two long , thin pieces of metal fixed together at one end
测径器，卡钳，双脚规

calipers noun [plural] (LEG SUPPORT)

UK (US braces)
metal supports that are fastened to the legs of people who have difficulties with walking
（装在有行走障碍者腿上的）双脚规形夹 返回 calipers