jammed

• 形容某物被卡住、堵塞或无法移动；非正式也用于形容非常拥挤或塞满的状态。

Describes something that is stuck, blocked, or unable to move; also used informally to mean very crowded or full.

1. Stuck or blockedB1informal

   Unable to move or function because something is stuck or obstructed.

   卡住的

   • The printer is jammed because of a paper misfeed.
   • The door is jammed shut and won't open.
   • The traffic was jammed for miles due to the accident.

   同义词blockedcloggedcongestedimmovableobstructedstuckwedged

   反义词clearfreeopenunstuck

2. Crowded or packedB1informal

   Filled to capacity; extremely crowded.

   拥挤的

   • The subway was jammed with commuters during rush hour.
   • The stadium was jammed with fans for the final match.
   • The store was jammed with shoppers on Black Friday.

   同义词congestedcrowdedfullpackedstuffedteeming

   反义词emptyspaciousuncrowdedvacant

• 动词，表示把某物塞进狭小空间、使机械卡住，也指（非正式）即兴演奏音乐。

A verb used to indicate the act of forcing something into a tight space, causing a machine or mechanism to become stuck, or (informally) playing music in an improvised session.

1. Preserve fruitB1formalculinary

   To cook fruit with sugar until it becomes thick and spreadable.

   熬果酱

   • She jams strawberries every summer.
   • He learned how to jam oranges from his grandmother.
   • They jammed the apples into a delicious preserve.

   同义词conservepreserve

2. Force or squeezeB1informal

   To push something tightly into a space.

   塞进

   • He jammed his foot into the shoe.
   • She jammed the papers into her bag.
   • They jammed the suitcase shut.

   同义词cramforcepressramshovesqueezestuffwedge

   反义词dislodgeextractfreereleasewithdraw

3. Block or become stuckB1informal

   To cause a machine or mechanism to become stuck or unable to move.

   卡住或卡死

   • The printer jammed because of too much paper.
   • He jammed the lock with a broken key.
   • The gears jammed and the car stopped.

   同义词blockclogcongestcramdisableimmobilizelodgeobstructpackseizesqueezestickstuffwedge

   反义词freeloosenrelease

4. Interfere with signalB2formalIT

   To block or interfere with a radio or electronic signal.

   干扰

   • The enemy tried to jam our communications.
   • They used a device to jam the GPS signal.
   • The radio station was jammed by interference.

   同义词blockdisruptinterfereobstructscramble

5. Improvise musicB2informalart

   To play music in an informal, improvisational way with other musicians.

   即兴演奏

   • The band loves to jam together on weekends.
   • They jammed for hours in the garage.
   • He invited his friends over to jam some blues.

   同义词freestyleimproviseplay aroundriff