cap

• 名词，指一种柔软的、紧贴头部的帽子，通常带有帽檐；也指瓶子、笔或其他物体上的保护盖。

A noun referring to a type of soft, close-fitting headwear, often with a visor, or a protective cover for a bottle, pen, or other object.

1. HatA1formal

   A type of soft, close-fitting head covering, typically with a visor.

   鸭舌帽

   • He wore a baseball cap to protect his eyes from the sun.
   • She put on her winter cap before going outside.
   • The student's graduation cap was decorated with a tassel.

   同义词hat

2. Bottle lidA2formal

   A protective cover or seal for a bottle, jar, or container.

   瓶盖

   • Please screw the cap back on the water bottle.
   • The cap of the soda bottle was difficult to open.
   • He removed the cap from the jar of jam.

   同义词bungcorkcoverlidsealstopperstoppletop

3. Limit or maximumB2formal

   An upper limit on something, such as spending, prices, or numbers.

   上限

   • The government imposed a cap on rent increases.
   • There is a cap on the number of students admitted each year.
   • The company set a cap on executive bonuses.

   同义词ceilingcurblimitmaximumrestrictionupper limit

   反义词basefloorminimum

4. C1formalmedical

   A small, dome-shaped contraceptive device placed inside the vagina to prevent pregnancy.

   阴道隔膜

   • She chose to use a cap as her method of contraception.
   • The doctor explained how to properly insert the cap.
   • Caps are a reliable form of birth control when used correctly.

   同义词cervical cap

• 动词，表示对某事物设定上限或限制，也指覆盖或封住某物的顶部。

A verb used to indicate the act of putting a limit or ceiling on something, or covering the top of something.

1. Cover or topA2formal

   To put a lid or cover on something.

   盖上盖子

   • She capped the bottle after drinking.
   • He capped the pen and put it in his pocket.
   • The workers capped the pipe to prevent leaks.

   同义词covercrownsurmounttop

   反义词exposeopenremoveuncover

2. Limit or restrictB2formal

   To set an upper limit on something, such as spending, prices, or numbers.

   限制

   • The government capped the price of fuel.
   • The company capped bonuses at $10,000.
   • The university capped enrollment at 5,000 students.

   同义词ceilingcheckconstraincurblimitrestrict

3. Outdo or surpassB2informal

   To follow something with something even better or more impressive.

   胜过

   • She capped her performance with a stunning encore.
   • He capped his speech with a surprising announcement.
   • The team capped their winning season with a championship title.

   同义词beatbettercrownexceedoutclassoutdooutshinesurpasstoptrump

   反义词bombfailflopunderperform

短语动词变体cap off