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

• She feels a constriction in the chest.
  她胸部有压迫感。
• Furthermore pycnogenol? Inhibits the nicotine-induced constriction of blood vessels.
  而且碧萝芷？抑制尼古丁引起的血管收缩。
• There was a certain constriction in his throat.
  他的喉部有某种被堵住的感觉。
• 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。
• 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。
• 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。
• I hated the constrictions of school.
  我痛恨学校的各种规定。
• 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。
• In this paper, the method of region constriction for global optimization is proposed.
  对求解无约束最优化问题，本文给出了一个区间压缩方法。
• 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。