Taivo A Taiwan Mandarin dictionary

研磨

yánmó

ㄧㄢˊ ㄇㄛˊ

  1. 1milling
  2. 2to grind
  3. 3to polish by grinding
  4. 4to abrade
  5. 5whetstone
  6. 6pestle

Keep 研磨 and it comes back until you know it.

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