资料来源 : pyDict

弯脚规,测径器

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Callipers \Cal`li*pers\, n. pl.
   See Calipers.

资料来源 : WordNet®

callipers
     n : an instrument for measuring the distance between two points
         [syn: {caliper}, {calipers}, {calliper}]