- 宓(quiet; hidden)
- 山(mountain (pictograph))
A secluded place like a mountain surrounded and concealed hides all secrets.
density wave
A density wave is a type of physical phenomenon.
density wave
A density wave is a type of physical phenomenon.
A secluded place like a mountain surrounded and concealed hides all secrets.
Under a roof, use your hand to measure back and forth many times to get accuracy.
A secluded place like a mountain surrounded and concealed hides all secrets.
Under a roof, use your hand to measure back and forth many times to get accuracy.
density wave
density wave
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