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Meaning of 研磨

Lookup via: Pinyin | Radicals
yán
milling; to grind; to polish by grinding; to abrade; whetstone; pestle
Example Sentences
1
You grind coffee beans in your mouth.
2
Technicians then grind up the leaves to extract the protein.
3
Women once spent long hours grinding grain by hand.
4
Processing these plants probably involved peeling, drying and grinding their roots.
5
Poorly crystallized diamonds used for industrial cutting and abrasion.