obstruction

noun

1. 阻挡；阻碍；妨碍
   the fact of trying to prevent sth/sb from making progress
   1. the obstruction of justice
      妨碍司法公正
   2. He was arrested for obstruction of a police officer in the execution of his duty.
      他因妨碍警察执行公务而被逮捕。
2. 堵塞，阻挡（通道等）
   the fact of blocking a road, an entrance, a passage, etc.
   1. obstruction of the factory gates
      对工厂大门的堵塞
   2. The abandoned car was causing an obstruction.
      这辆被遗弃的汽车堵住了道路。
3. 路障；障碍；障碍物
   something that blocks a road, an entrance, etc.
   1. It is my job to make sure that all pathways are clear of obstructions.
      保证所有的道路通畅是我的职责。
4. 梗阻；阻塞；栓塞
   something that blocks a passage or tube in your body; a medical condition resulting from this
   1. He had an operation to remove an obstruction in his throat.
      他做了手术，取出喉头的阻塞物。
   2. bowel/intestinal obstruction
      肠梗阻
5. （球类运动）阻挡犯规
   the offence of unfairly preventing a player of the other team from moving to get the ball

1. N-COUNT 路障；障碍（物）
   An obstruction is something that blocks a road or path.
   1. John was irritated by drivers parking near his house and causing an obstruction.
      约翰对那些在他家附近泊车堵住通道的司机感到恼火。
2. N-VAR （体内的）梗阻
   An obstruction is something that blocks a passage in your body.
   1. The boy was suffering from a bowel obstruction and he died.
      这个男孩因患肠梗阻死去了。
3. N-UNCOUNT （通常指对生意、法律或政府的）阻挠，妨碍
   Obstruction is the act of deliberately delaying something or preventing something from happening, usually in business, law, or government.
   1. Mr Guest refused to let them in and now faces a criminal charge of obstruction.
      格斯特先生因为将他们拒之门外，现在面临妨碍公务的刑事指控。

1. John was irritated by drivers parking near his house and causing an obstruction.
   约翰对那些在他家附近泊车堵住通道的司机感到恼火。
2. The boy was suffering from a bowel obstruction and he died.
   这个男孩因患肠梗阻死去了。
3. Mr Guest refused to let them in and now faces a criminal charge of obstruction.
   格斯特先生因为将他们拒之门外，现在面临妨碍公务的刑事指控。
4. A passer-by told the driver to move his car so that it was not causing an obstruction
   一个过路人叫那个司机把他的车挪一挪，免得挡道。
5. Obstruction of the bile duct is associated with cholangitis.
   胆管梗阻能并发胆管炎。
6. Pneumomediastinum may cause caval obstruction.
   纵隔积气可能引起腔静脉梗阻。
7. Your interference is an oBstruction of justice.
   你的干预阻碍了正义。
8. Therefore, cancers of the left colon are more likely to cause partial or complete bowel obstruction.
   因此，左半结肠的癌变更有可能导致部分或完全性肠梗阻。
9. ObjectiveTo investigate the drainage effects of metallic biliary stent in malignant biliary obstruction.
   目的探讨金属胆道支架引流术对恶性胆道梗阻的引流效果。
10. The complications of duodenal ulcer that require surgical management are hemorrhage, perforation, obstruction, and intractability.
    十二指肠溃疡需外科治疗的并发症是出血、穿孔、梗阻和顽固性。
11. Symptoms and treatment depend on the obstruction's nature and location.
    症状和治疗方法取决于肠梗阻的性质和位置。
12. Objective: to investigate myocardial injury and its mechanism after biliary tract obstruction.
    目的：观察胆道梗阻后心肌损伤情况并探讨其损伤机制。
13. The stasis from the obstruction and dilation led to infection.
    梗阻、扩张引起的肾盂积水导致了感染。
14. Mechanical obstruction may require operation for repair of common bile duct stricture or for gallstones.
    机械性梗阻可能需要手术以修复胆总管狭窄或除去胆石。
15. Complications of gastric ulcers ( either benign or malignant) include pain, bleeding, perforation, and obstruction.
    胃溃疡的并发症（良性或者恶性）有疼痛，出血，穿孔和梗阻。
16. Lobar emphysema may result from partial bronchial obstruction.
    大叶性肺气肿可由于局部小支气管梗阻所引起。
17. During a ten year period, 82 patients with ureteral obstruction secondary to metastatic disease, were seen.
    在十年中我们诊治了82例继发于转移性肿瘤的输尿管梗阻患者。
18. Ultrasonography shows hydronephrosis and ureterectasis above obstruction, and can identify the sites and causes of obstruction.
    超声检查可见肾盂积水和梗阻部位以上输尿管扩张，可以明确梗阻的部位和原因。
19. To them, it's an obstruction of interstate commerce.
    对他们来说，这是对州际贸易的障碍。
20. Free from impediment or obstruction or hindrance.
    不受妨碍或阻塞的，或清除了障碍的。
21. Conclusions: Most patients report improvement in nasal and sleep symptoms after correction of nasal airway obstruction.
    结论：纠正鼻气道阻力后绝大部分的病人报道有鼻腔和睡眠症状的改善。
22. This abdominal CT scan with contrast demonstrates right hydronephrosis and hydroureter as a consequence of ureteral obstruction.
    腹部增强CT显示输尿管阻塞导致右（图左侧）肾盂和输尿管积水。
23. There, we were hit with more bureaucratic obstruction.
    在那里，我们遭遇了更多官僚障碍。
24. Renal failure associated with burns or other trauma, or with acute infection or obstruction of the urinary tract.
    与烧伤或其他外伤相伴随的肾脏衰竭，或伴随有急性传染或尿道阻塞。
25. We believe that this patient's airway obstruction was likely secondary to laryngospasm rather than laryngeal edema.
    我们认为，该例患者的气道阻塞很可能是继发性喉痉挛，而不是喉头水肿。
26. You will be charged with obstruction of a public footpath.
    你会被指控阻塞了人行道的交通。
27. Unilateral frontal sinus obstruction presents a surgical challenge when outflow tract osteoneogenesis or dense scarring is present.
    当额窦的流出道骨质增生或疤痕形成时，单侧额窦阻塞性病变是一个手术的挑战。
28. People with bronchial asthma, serious respiratory tract obstruction and serious respiratory insufficiency;
    患有支气管哮喘、严重呼吸道阻塞和严重呼吸功能不全者；
29. Objective To investigate the feasibility of endoscopic treatment for congenital ureteropelvic junction obstruction ( UPJO) in children.
    目的研究小儿先天性肾盂输尿管连接部梗阻（UPJO）的腔内泌尿外科处理的可行性与疗效。

  obstacle bar barrier obstruction【导航词义：障碍】

  obstacle n. 障碍（物）

〔辨析〕指在达到目的或前行的过程中必须消除或绕过的障碍（物），可以是具体的或抽象的东西。

  bar n. 〈书〉障碍，妨碍

〔辨析〕指做某事的障碍，通常为抽象之物。

  barrier n. 障碍，壁垒

〔辨析〕多指产生阻碍或限制作用的政策、法律、问题等。

  obstruction n. 障碍物，阻塞物

〔辨析〕指堵塞道路、通道、管道等的东西。

noun

1. getting in someone's way

2. the act of obstructing
   1. obstruction of justice

3. any structure that makes progress difficult

   Synonym:    obstructorobstructerimpedimentimpedimenta

4. something immaterial that stands in the way and must be circumvented or surmounted
   1. lack of imagination is an obstacle to one's advancement
   2. the poverty of a district is an obstacle to good education
   3. the filibuster was a major obstruction to the success of their plan

   Synonym:    obstacle

5. the physical condition of blocking or filling a passage with an obstruction

   Synonym:    blockage