independent footing isolated footing single footing
Related Translations:
独立: 1.(单独站立) stand alone 短语和例子独立桥头 stand alone on the end of a bridge2.(自主自立; 不受人支配) independence 短语和例子宣布独立 proclaim independence; 维护民族独立 assert national independence; 国家的独立完整 the country's in