近义词: 穷源竟委 穷源竟委穷源竟委 反义词: 暂无 穷源溯流词典解释 (详细解释) 词语拼音:qióng yuán sù liú 词语解释:穷源溯流 qióngyuán-sùliú [trace to the very source of sth.] 追求事物的根源并探求其发展经过