caster

• 名词，有多个含义：把熔融金属浇铸成成品铸件的工人；带孔盖的撒糖粉器等粉末的撒具；或安装在家具、推车或可移动机器底部使其移动的旋转脚轮。

A noun with multiple meanings: a worker who casts molten metal into finished products; a shaker with a perforated top for sprinkling powdered sugar; or a pivoting roller attached to the bottom of furniture, trucks, or portable machines to make them movable.

1. MetalworkerB2formaltechnical

   A worker who casts molten metal into finished products.

   铸造工

   • The caster poured the molten iron into the mold.
   • Experienced casters are essential in the foundry.
   • The caster carefully monitored the temperature of the metal.

   同义词founder

2. Sugar shakerB1formalculinary

   A shaker with a perforated top for sprinkling powdered sugar or other condiments.

   糖粉撒罐

   • She used a caster to dust the cake with powdered sugar.
   • The caster on the table was filled with cinnamon.
   • He passed the caster so I could add sugar to my coffee.

   同义词castordredger

3. WheelB1formal

   A pivoting roller attached to the bottom of furniture, trucks, or portable machines to make them movable.

   脚轮

   • The office chair has five casters for easy movement.
   • We replaced the broken caster on the bottom of the cabinet.
   • The heavy machine was mounted on sturdy casters.

   同义词castorrollerwheel