groinn.腹股沟；交叉拱；弧棱；防波堤v.做成穹棱；造防波堤groin hernias腹股沟疝groin ceiling穹棱天花板groin spacing丁坝间距Groin neoplasm腹股沟肿瘤groin centring交叉拱架groin centering交叉拱架groined ceiling交叉穹顶棚groin skin flap腹股沟皮瓣Groin-filling籽粒灌浆Groin hernia repair疝修补术