constriction

名词 constriction:

1. a narrowing that reduces the flow through a channel
   同义词：bottleneck, chokepoint
2. tight or narrow compression
   同义词：coarctation
3. a tight feeling in some part of the body
   同义词：tightness
4. the action or process of compressing

1. Constriction of a blood vessel, as by a nerve or drug.
   血管缩小血管的缩小，如由于紧张或药物

con.stric.tion

n.（名词）

The act or process of constricting.
压缩：压缩的行为或过程
The condition or result of being constricted.
压缩：被压缩的情形或结果
Something that constricts.
被压缩物
A feeling of tightness or pressure:
压抑：压紧或有压力的感觉：
例句：
Fear caused a sudden constriction in my chest.
恐惧使我胸部突然感到有点压抑

A constricted or narrow part.
阻塞物：被压缩的或窄的部件