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
读音:qióng yuán sù liú
近义词:穷源竟委
首字母缩写:qysl
【拼音】qióngyuánsùliú