磨成

She ground wheat into flour.

她把麦子磨。

Flour is made from wheat.

是用麦子磨的。

The counterman scooped out Sumatran coffeebeans,ground them,put the grounds in a filter in the cone and poured hot water over them to give me a sample of their product.

柜台服务员用勺子舀出少许苏门答腊咖啡豆，磨，倒入滴滤咖啡壶的滤格，浇下热水，冲一杯咖啡供我品尝。