constricts

英 [kənˈstrɪkts]

美 [kənˈstrɪkts]

v.  (使)紧缩，缩窄; 限制; 限定; 抑制; 约束
constrict的第三人称单数

柯林斯词典

• V-ERG (使)(身体部位，尤指喉咙)收紧，收缩
  If a part of your body, especially your throat,is constrictedor if itconstricts, something causes it to become narrower.
  1. Severe migraine can be treated with a drug which constricts the blood vessels...
     严重的偏头疼可以用一种收缩血管的药物进行治疗。
  2. My throat constricted, so that I had to concentrate on breathing.
     我的嗓子发紧，所以我不得不把注意力集中在呼吸上。
• VERB 限制;束缚;约束
  If somethingconstrictsyou, it limits your actions so that you cannot do what you want to do.
  1. She objects to the tests the Government's advisers have devised because they constrict her teaching style...
     她反对政府顾问设计的考试，因为这些考试限制了她的教学风格。
  2. Men and women alike have been constricted by traditional sexual roles.
     男性和女性同样受到传统性别角色的束缚。

双语例句

• They found that procyanidins suppress production of a protein called endothelin-1 that constricts blood vessels.
  他们发现前氰定抑制称为内皮素-1的蛋白质的产生，其能够使血管收缩。
• A cool bath or shower should help you feel more comfortable as it constricts the blood vessels.
  洗个冷水澡可以让你感觉更舒服因为可以收缩血管。
• Fear of crime constricts many people's lives.
  对犯罪行为的恐惧约束着许多人的生活。
• In Chapter 3, the design method, the objective function and the solution space of the signal phase optimization algorithm under mixed traffic condition are described. The constricts of the signal phase and the phase design rules are summarized.
  第三章阐述混合交通信号相位优化算法的设计路线、目标函数和解空间，总结出混合交通孤立交叉口信号相位的约束条件和设计规则。
• But there exits some problems due to the constricts of these theories and the complex phenomenon of irony.
  但是，现有的运用单一理论对反语解释的研究方法，由于理论本身的局限性和反语现象的复杂性，存在着一定的问题。
• When they're in the spotlight, everything, including vocal chords, constricts.
  他们身处聚光灯下的时候，包括声带在内的所有部位都会收紧。
• Overrunning clutch is a weak link in transmission chain of pulse-type stepless transmission and constricts directly the ability of transferring capacity.
  超越离合器是脉动无级变速器传动链中的最薄弱环节，直接制约了脉动无级变速器的传动能力。
• Through the analysis and survey of the external environment for the development of the non state economy in Shaanxi the authors indicate that the backward external environment is an important factor that constricts the development of the non state economy and even the entire economy in Shaanxi.
  通过对外部环境的内涵、作用的理论分析，并对陕西非公有制经济发展环境状况进行了实际调查，认为落后的外部环境是制约陕西非公有制经济乃至整个经济发展的重要因素。
• The cold constricts the blood vessels, immediately reducing puffiness.
  冷能收缩血管，立即减少浮肿。
• These drugs reduce blood pressure by blocking an enzyme that converts angiotensin to an active form that constricts blood vessels.
  这些药物通过拦阻激活血管紧张肽的酶降低血压。血管紧张肽造成血管收缩。