Common word with 溯
One common HSK word with 溯 is 追溯, meaning "Trace back".
Watch the stroke order, then trace it yourself.

One common HSK word with 溯 is 追溯, meaning "Trace back".
Trace back
We need to trace the historical roots of this problem.
They decided to go upstream to find the water source.
Tracing back history, one can discover many patterns.
Explore characters by relationship
Characters pronounced "su".
Characters with radical "氵".