constriction

• 名词，指收缩、压缩或收紧的动作或过程，常导致流量减少、压迫感或身体部位的紧束感。

A noun referring to the act or process of making something narrower or tighter, often resulting in reduced flow, compression, or a feeling of tightness in a part of the body.

1. Narrowing of a passageB2formal

   A narrowing that reduces the flow through a channel, such as a blood vessel or pipe.

   狭窄

   • The constriction of the artery reduced blood flow to the heart.
   • Engineers studied the constriction in the pipe to improve water pressure.
   • The narrow canyon created a constriction in the river's flow.

   同义词compressioncontractionnarrowingstenosisstricture

   反义词dilatationdilationenlargementexpansionwidening

2. Tight compressionB2formal

   A tight or narrow compression that restricts movement or expansion.

   收缩

   • The constriction of the bandage around his arm was uncomfortable.
   • The snake's constriction made it difficult for the prey to breathe.
   • The tight collar caused a constriction around his neck.

   同义词compressionconstraintcontractionnarrowingrestrictionsqueezingtightening

   反义词expansionlooseningopeningrelaxationrelease

3. Tight feeling in the bodyB2informal

   A tight or uncomfortable feeling in some part of the body, often due to anxiety or physical pressure.

   紧缩感

   • He felt a constriction in his chest during the panic attack.
   • The constriction in her throat made it hard to speak.
   • Stress can cause a constriction in the muscles of the neck and shoulders.

   同义词compressionpressuresqueezingtensiontightness

4. B2formal

   The action or process of compressing or making something narrower.

   收缩

   • The constriction of the material under pressure changed its shape.
   • The process of constriction in the machine reduced the volume of the gas.
   • The constriction of the airway during an asthma attack is dangerous.

   同义词compressioncontractionnarrowingrestrictionsqueezingtightening

   反义词dilationdistensionexpansionwidening