相关单词近義詞 underpin 從下頭支持, shore up 支撐, prop up 支撐, jack up 頂起(頂高), reinforce 加固, support 支持, buttress 扶牆, fortify 加強, hold up 擧起臨近詞underwit, under, underused land, underprocessed, underwing rack, under-supply, under-ageing, underhand pass, underdeveloped, undercivilized, under sampling, undersubscribe 返回 underpropping