roll

• 名词，指圆柱形或卷状的物体，常用于食物（如面包卷）或名单等；也可指滚动或卷起的动作。

A noun referring to a cylindrical object or shape, often used for food items like bread or for a list of names.

1. Cylindrical objectA2formal

   A piece of something that has been rolled into a cylindrical shape.

   卷

   • She bought a roll of wrapping paper.
   • He used a roll of tape to seal the box.
   • The carpet was delivered in a large roll.

   同义词balecoilcylinderreelscrollspooltube

2. A1formal

   A small, often round piece of bread, usually eaten as part of a meal.

   小圆面包

   • I had a ham and cheese roll for lunch.
   • The bakery sells fresh bread rolls every morning.
   • She buttered her roll before eating it.

   同义词bapbarmbatchbuncob

3. B1formal

   An official list of names, especially of people present or enrolled.

   名单

   • The teacher called the roll at the start of class.
   • His name was added to the roll of honor.
   • The electoral roll is updated before each election.

   同义词directoryenrollmentlistmusterregisterroster

4. B1informal

   A rolling movement or action, such as a somersault or a turn.

   翻滚

   • The gymnast performed a perfect forward roll.
   • The dog did a roll in the grass.
   • He took a roll down the hill for fun.

   同义词fliprevolutionrotationsomersaultspintumbleturntwirl

   反义词reststillness

• 动词，表示在表面上翻转移动，或使某物呈圆柱形、卷起来。

A verb used to indicate the act of moving by turning over and over on a surface, or to form something into a cylindrical shape.

1. A1formal

   To move by turning over and over on a surface.

   滚动

   • The ball rolled down the hill.
   • She rolled the dough into a thin sheet.
   • He rolled the dice and got a six.

   同义词bowlrevolvesomersaultspintumble

2. Form into a shapeA2formal

   To form something into a cylindrical or rounded shape.

   滚成圆形

   • She rolled the paper into a tube.
   • He rolled the carpet up and stored it.
   • They rolled the sleeping bags tightly.

   同义词ballcoilcurlfurltwistwindwrap

   反义词flattenspreadstraightenstretchunroll

3. Move on wheelsA2formal

   To move or be moved on wheels or rollers.

   滚动

   • The car rolled slowly into the garage.
   • She rolled the suitcase behind her.
   • The truck rolled along the highway.

   同义词trundlewheel

4. Start functioningB1informal

   To begin operating or functioning, especially in a gradual way.

   启动

   • The cameras started to roll for the movie scene.
   • Let's get this project rolling.
   • The production line is rolling again after the break.

   同义词begincommenceget goinglaunchset in motionstartstart up

   反义词ceaseendhaltstop

短语动词变体roll aroundroll downroll inroll offroll outroll overroll up