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

• 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。
• Otherwise, it antagonized constriction of thoracal aorta rings of rabbit resulting from ergometrine and norepinephrine in vitro.
  并能对抗麦角新碱及去甲肾上腺素引起离体兔胸主动脉收缩。
• 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。
• 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。
• Steroids are used to reduce the inflammation, which makes the muscles of the airways liable to constriction.
  类固醇用于消除可能导致气道肌肉收缩的炎症。
• I hated the constrictions of school.
  我痛恨学校的各种规定。
• The changes of macrophages and dendritic cells in intima between upstream and downstream of abdomial aorta constriction in atherosclerotic rabbits
  粥样硬化兔腹主动脉缩窄近端和远端内膜巨噬细胞与树突细胞的变化
• A sudden constriction of a blood vessel, causing a reduction in blood flow.
  血管痉挛由于血液流动的减弱而导致突然的血管收缩。
• B. Move finger smoothly toward nasal bridge; watch for pupil constriction and convergence.
  手指平稳地向鼻柱移动，观察瞳孔收缩会聚。