The flour is ground using traditional methods.

这面粉是用传统方法磨制而成。

《牛津词典》

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The flour grains came mostly from cattails and ferns, plants whose roots are rich in starch, kind of like a potato.

面粉主要来自于香蒲和蕨类植物，这些植物的根富含淀粉，有点像土豆。

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Mister Amaya even buys the flour for his pastas from an American producer so that he does not have to import flour from as far away as Italy.

VOA: special.2009.04.10

There's a way to actually grind down and prepare the flour, so that you promote the enzymes within the plant to breakdown the cyanide precursors.

有一种方法是将它们磨碎，做成粉，这样就可以促进它们本身带有,酶将氰化物的前驱体分解掉。

麻省理工公开课 - 化学原理课程节选

It would be quickly ground into flour and used before it even has time to ferment, to quickly offer something to the deity again, to procure favor for the rest of the crop.

很快弄成面粉，还来不及发酵,只为了敬献给神,为了博得神的喜爱，保佑这些庄稼。

耶鲁公开课 - 旧约导论课程节选

Combine the flour and the salt in a mixer fitted with a dough hook.

CNN: Pizza Dough

In the eighteen-twenties, the city was full of small shipyards built for the flour trade.

NEWYORKER: Groupthink

On low speed, gradually add the flour, then knead on medium speed for 4 minutes.

NPR: Two Centuries of 'Baking in America'