You grind coffee beans in your mouth.

你用嘴巴研磨咖啡豆。

youdao

Many people grind coffee beans each morning to make coffee.

许多人每天早上磨咖啡豆冲咖啡。

youdao

Like some problems consist in coffee production, we may grind coffee beans by ourselves.

就象如果咖啡产业出现问题，我们也许会自己磨咖啡豆一样。

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Anyone can now grind coffee beans in his kitchen, and virtually every food outfit sells the stuff.

FORBES: Fact and Comment

In Costa Rica, Jose Antonio Vera, head of sales and exports for Coopronaranjo, a cooperative with 2, 000 producers, said that in recent years it has launched two supermarkets and a roasting mill where producers can grind their own coffee and sell at a greater value than their beans.

WSJ: Coffee Growers Forge a Futures Recovery