undercuttingWiktionary 原文中文undercut 的变形来自 ECDICTn.底切，牛腰部下侧嫩肉，下口，下旋削球vt.廉价出售，底切，雕出，下旋削球vi.切除底部释义（英文）动词 Verbpresent participle and gerund of undercut名词 NounAn undercut; a cut in the lower part.