中文词 · Chinese word
追溯
zhuī sù — lit. to go upstream; to trace sth back to; to date from
HSK 3.0 L7, HSK newest L7 · study the lists
中文词 · Chinese word
zhuī sù — lit. to go upstream; to trace sth back to; to date from
HSK 3.0 L7, HSK newest L7 · study the lists