midpelvisWiktionary 原文构词拆分mid-前缀Denoting the middle part. · Occupying a middle position.+pelvis词根/词干词源说明From mid- + pelvis.释义（英文）名词 Noun(anatomy) A pelvic plane defined by the ischial spines, the lower edge of the pubic symphysis, and the boundary of the fourth and fifth sacral vertebra.词族相关词（1）midpelvic