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溯源
HSK7-9v 0 · Lv.1
sùyuán
đi tìm nguồn gốc
trace to the source/origin; trace the source (of sth) 追根 溯源 trace sth to its source/origin
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⭐ Lv.10 分 · 距下一级 50 分
đi tìm nguồn gốc
trace to the source/origin; trace the source (of sth) 追根 溯源 trace sth to its source/origin