constriction

英 [kənˈstrɪkʃn]

美 [kənˈstrɪkʃn]

n.  规定; 限制; 制约

复数：constrictions　

医学

BNC.20596 / COCA.23094

柯林斯词典

• See also:I hated the constrictions of school.constrict

英英释义

noun

• the action or process of compressing
• a tight feeling in some part of the body
  1. he felt a constriction in her chest
  2. she felt an alarming tightness in her chest
  3. emotion caused a constriction of his throat
  Synonym:tightness
• tight or narrow compression
  Synonym:coarctation
• a narrowing that reduces the flow through a channel
  Synonym:bottleneckchokepoint

双语例句

• Besides bandwidth problems, we have noticed that putting resistors in series with the sound signal always results in dynamic constriction and loss of details.
  此外带宽问题，我们注意到，在与声音信号的动态收缩总是和细节损失将电阻一系列成果。
• She feels a constriction in the chest.
  她胸部有压迫感。
• ONIONS!! Eating onions helps ease constriction of bronchial tubes.
  哮喘？吃洋葱！！洋葱对支气管的收缩有很大的帮助。
• However, the SAT-chromosome and the secondary constriction were not found on any chromosome present.
  三种在臂比值和次缢痕的有无、位置方面存在差异。
• If the Dou Kou constriction has hindered the Dou Qiang ventilation and the drainage, should expand it.
  如果窦口的缩窄已阻碍窦腔的通气和引流，则应扩大之。
• The pattern involves initially a constriction of the arteries that feed the brain.
  这一变化首先涉及给大脑供血的动脉血管的收缩。
• It supports a better circulation by preventing stress-induced constriction of arteries and blood clotting.
  它防止精神压力引起的动脉收缩和血凝，维护更好的循环系统。
• Thus stimulation of one retina will normally invoke pupillary constriction in both eyes.
  刺激一侧视网膜可引起双眼的瞳孔收缩。
• Fluid flow through tubes with local constriction has many applications in engineering and biomedical science.
  局部狭窄圆管内的流体流动，在工程和生物医学中具有许多应用背景。
• Eventually, unable to bear the constriction of family life, he left home.
  他不能忍受家庭生活的那种被勒著的感觉，最后他离开了家。