brass buttons

• 过时用语，指身居高位或掌权的人，尤指军队或官方语境中的重要人物。

An old-fashioned term referring to a person of high rank or authority, especially in a military or official context, often used to describe someone who is important or in charge.

1. Decorative fastenersB1formal

   Small, round, metallic fasteners made of brass, used on clothing, especially uniforms or coats.

   黄铜纽扣

   • The officer's jacket had shiny brass buttons.
   • He polished the brass buttons on his uniform until they gleamed.
   • The vintage coat was adorned with ornate brass buttons.

2. Plant nameC1formal

   A common name for a flowering plant (Cotula coronopifolia) with small, button-like yellow flowers.

   铜扣草

   • Brass buttons grow well in marshy areas.
   • The garden was filled with bright yellow brass buttons.
   • She identified the plant as brass buttons by its distinctive flowers.