bronchi

简明释义

[ˈbrɒŋkaɪ][ˈbrɑnkai]

n. 支气管(bronchus 的复数)

英英释义

Bronchi are the major air passages of the lungs that branch off from the trachea and lead to the bronchioles.

支气管是肺部的主要气道,从气管分支出来,并通向细支气管。

单词用法

main bronchi

主支气管

bronchial tubes

支气管管

bronchi and bronchioles

支气管和细支气管

obstruction of the bronchi

支气管阻塞

同义词

bronchial tubes

支气管

The bronchial tubes are responsible for transporting air to and from the lungs.

支气管负责将空气输送到肺部和从肺部排出。

airways

气道

Inflammation of the airways can lead to breathing difficulties.

气道的炎症可能导致呼吸困难。

反义词

alveoli

肺泡

Oxygen exchange occurs in the alveoli.

氧气交换发生在肺泡中。

trachea

气管

The trachea connects the throat to the bronchi.

气管将喉咙与支气管连接。

例句

1.The left and right bronchi branch off from the trachea and carry oxygen further into the lungs.

左、右支气管是从气管分支出来,它使氧气更加深入的到肺里。

2.Influenza is a viral infection that affects mainly the nose, throat, bronchi and, occasionally, lungs.

流感是一种病毒感染,主要影响鼻、喉、气管,偶见肺部感染。

3.Originated in the main bronchi, the bronchial lung cancer known as central lung cancer.

起源于主支气管、叶支气管的肺癌称为中央型肺癌。

4.The hilum is seen at the lower right with radiating pulmonary arteries and bronchi.

右下有肺动脉和支气管的部位是肺门。

5.On the section through right superior lobar bronchus, the posterior segmental vein descended between posterior and anterior segmental bronchi.

在右肺上叶支气管层面,后段静脉居后段支气管与前段支气管之间;

6.Conclusion The expression of TXS gene in bronchi was induced by chronic hypoxia and hypercapnia.

结论慢性低氧高二氧化碳诱导了大鼠支气管血栓素合酶基因的表达。

7.During the cold season, many people experience irritation in their bronchi (支气管) due to viruses.

在寒冷季节,许多人因病毒而感到支气管刺激。

8.In a healthy person, the bronchi (支气管) are clear and allow for easy airflow.

在健康的人中,支气管是通畅的,允许空气轻松流动。

9.Asthma can lead to narrowing of the bronchi (支气管), making it hard for air to flow.

哮喘会导致支气管变窄,使空气流动困难。

10.Chronic bronchitis is a condition that involves long-term inflammation of the bronchi (支气管).

慢性支气管炎是一种涉及支气管长期炎症的疾病。

11.The doctor explained that the inflammation of the bronchi (支气管) could cause difficulty in breathing.

医生解释说,支气管的炎症可能会导致呼吸困难。

作文

The human respiratory system is a complex network that plays a crucial role in our overall health and well-being. One of the key components of this system is the trachea, which branches into two main tubes known as the bronchi (支气管). These tubes are essential for transporting air from the trachea to the lungs, where the exchange of oxygen and carbon dioxide takes place. Understanding the structure and function of the bronchi (支气管) can help us appreciate their importance in maintaining respiratory health.The bronchi (支气管) begin at the point where the trachea divides, with each bronchus leading to one of the lungs. The right main bronchus is wider and shorter than the left, which is more angled. This anatomical difference is significant, especially when considering the likelihood of inhaled objects becoming lodged in the airways. For instance, if a small object is accidentally inhaled, it is more likely to enter the right bronchus (支气管) due to its straighter path. Once the air reaches the bronchi (支气管), it continues to branch out into smaller tubes known as bronchioles, which further lead to the alveoli – the tiny air sacs where gas exchange occurs. The lining of the bronchi (支气管) is equipped with cilia and mucus-producing cells, which serve to trap and expel foreign particles and pathogens. This mechanism is vital for protecting the lungs from infections and irritants. In addition to their structural role, the bronchi (支气管) also play a part in regulating airflow. The smooth muscles surrounding the bronchi (支气管) can constrict or relax, allowing the body to control the amount of air entering the lungs. This regulation is particularly important during physical activity when the demand for oxygen increases. Asthma is a condition that affects this regulation, causing the bronchi (支气管) to become inflamed and narrowed, making it difficult for individuals to breathe. Moreover, various diseases can impact the bronchi (支气管). Chronic bronchitis, for example, is characterized by long-term inflammation of the bronchi (支气管), leading to persistent cough and mucus production. This condition is often caused by smoking or prolonged exposure to pollutants. On the other hand, bronchiectasis is a condition where the bronchi (支气管) become permanently dilated due to damage, resulting in frequent lung infections and difficulty clearing mucus. Understanding the bronchi (支气管) and their functions is essential for recognizing the signs of respiratory issues. If someone experiences symptoms such as persistent cough, wheezing, or shortness of breath, it may indicate a problem with the bronchi (支气管) or other parts of the respiratory system. Early diagnosis and treatment can prevent further complications and improve quality of life. In conclusion, the bronchi (支气管) are vital structures within the respiratory system that facilitate the movement of air to and from the lungs. Their health is crucial for effective breathing and overall respiratory function. By understanding the role of the bronchi (支气管), we can better appreciate the complexities of our respiratory system and take proactive measures to maintain our lung health.

人类呼吸系统是一个复杂的网络,在我们的整体健康和幸福中发挥着至关重要的作用。这个系统的关键组成部分之一是气管,它分支成两个主要管道,称为bronchi(支气管)。这些管道对于将空气从气管输送到肺部至关重要,在肺部进行氧气和二氧化碳的交换。理解bronchi(支气管)的结构和功能可以帮助我们欣赏其在维持呼吸健康中的重要性。bronchi(支气管)在气管分叉的地方开始,每个支气管通向一侧肺部。右主支气管比左主支气管更宽且更短,这种解剖差异是显著的,尤其是在考虑吸入物体可能卡住气道的可能性时。例如,如果意外吸入小物体,更有可能进入右bronchus(支气管),因为其路径更直。一旦空气到达bronchi(支气管),它继续分支成更小的管道,称为细支气管,这些细支气管进一步通向肺泡——气体交换发生的微小气囊。bronchi(支气管)的内衬配备了纤毛和产生粘液的细胞,这些细胞用于捕捉和排出外来颗粒和病原体。这一机制对保护肺部免受感染和刺激至关重要。除了结构上的作用外,bronchi(支气管)还在调节气流方面发挥作用。围绕bronchi(支气管)的平滑肌可以收缩或放松,使身体能够控制进入肺部的空气量。这种调节在身体活动期间尤其重要,因为此时对氧气的需求增加。哮喘是一种影响这种调节的疾病,导致bronchi(支气管)发炎并变窄,使个体呼吸困难。此外,各种疾病可以影响bronchi(支气管)。慢性支气管炎的特征是bronchi(支气管)的长期炎症,导致持续咳嗽和粘液生成。这种情况通常是由吸烟或长期接触污染物引起的。另一方面,支气管扩张症是一种由于损伤而导致bronchi(支气管)永久性扩张的疾病,导致频繁的肺部感染和清除粘液的困难。了解bronchi(支气管)及其功能对于识别呼吸问题的迹象至关重要。如果某人经历持续咳嗽、喘息或呼吸急促等症状,这可能表明bronchi(支气管)或呼吸系统其他部分存在问题。早期诊断和治疗可以防止进一步的并发症并改善生活质量。总之,bronchi(支气管)是呼吸系统中的重要结构,促进空气进出肺部的运动。它们的健康对有效呼吸和整体呼吸功能至关重要。通过理解bronchi(支气管)的作用,我们可以更好地欣赏呼吸系统的复杂性,并采取积极措施来维护我们的肺部健康。