milling

• 指硬币边缘的滚花、齿纹或凹凸纹，常用于防止伪造或削边；也指铣削、碾磨等加工过程。

A noun referring to the corrugated or ridged edge of a coin, often added to prevent counterfeiting or clipping.

1. Corrugated edge of a coinC1formal

   The ridged or grooved edge on a coin, created by a milling machine, which helps prevent counterfeiting and wear.

   硬币齿边

   • The milling on the edge of the coin was clearly visible.
   • Collectors often examine the milling to verify a coin's authenticity.
   • The coin's milling had worn down over many years of use.

• 动词，指将谷物研磨或加工成粉末（如面粉），也指无目的地、混乱地走动或徘徊。

A verb used to indicate the act of grinding or processing grain into flour, or moving around in a confused or aimless manner.

1. Grind or processB1formal

   To grind or crush something, especially grain, into powder or small pieces.

   磨碎

   • They mill the wheat to produce flour.
   • The factory mills corn into cornmeal.
   • The machine mills the coffee beans into a fine powder.

   同义词comminutecrushgranulategrindpowder

2. Move aimlesslyB2informal

   To move around in a confused or aimless manner, often in a crowd.

   漫无目的地走动

   • People were milling about in the lobby waiting for the event to start.
   • The crowd milled around the entrance before the doors opened.
   • He milled about the store, not sure what to buy.

   同义词bustledriftmeanderroamswarmthrongwander

短语动词变体mill around