air passage

简明释义

风道;

英英释义

例句

1.A blocked air passage can lead to snoring during sleep.

堵塞的气道可能导致睡觉时打鼾。

2.Asthma can make it difficult for air to flow through the air passage.

哮喘会使空气很难通过气道流动。

3.The allergist recommended a nasal spray to help clear my air passage.

过敏专家建议使用鼻喷雾剂来帮助清理我的气道。

4.The doctor explained that the cold could cause inflammation in the air passage.

医生解释说，感冒可能会导致气道炎症。

5.During the flight, I felt pressure in my air passage due to altitude changes.

在飞行过程中，由于高度变化，我感到我的气道有压力。

作文

The human body is a complex system that relies on various mechanisms to function properly. One of the most critical systems is the respiratory system, which is responsible for delivering oxygen to the bloodstream and removing carbon dioxide. Central to this process are the structures known as the air passages (气道), which include the nasal cavity, pharynx, larynx, trachea, bronchi, and bronchioles. These air passages (气道) serve as the conduits through which air travels, allowing us to breathe and sustain life.When we inhale, air enters through the nose or mouth and passes through the air passages (气道). The nasal cavity plays a vital role in filtering, warming, and humidifying the incoming air. Tiny hairs called cilia and mucus work together to trap dust, allergens, and other particles, ensuring that only clean air reaches the lungs. This initial filtration is crucial because it protects the more delicate structures further down the air passages (气道).As the air moves through the pharynx and larynx, it continues its journey down the trachea, which is a sturdy tube that connects the throat to the lungs. The trachea bifurcates into two primary bronchi, each leading to one lung. From there, the bronchi branch out into smaller tubes called bronchioles, which further divide into tiny air sacs known as alveoli. It is within these alveoli that the exchange of gases occurs, allowing oxygen to enter the bloodstream while carbon dioxide is expelled.The efficiency of our air passages (气道) is essential for maintaining overall health. Factors such as pollution, smoking, and respiratory illnesses can significantly impact the functionality of these passages. For instance, chronic obstructive pulmonary disease (COPD) and asthma are conditions that can lead to inflammation and narrowing of the air passages (气道), making it difficult to breathe. Therefore, understanding how to maintain healthy air passages (气道) is vital for everyone.In addition to avoiding harmful substances, regular exercise can greatly benefit the respiratory system. Physical activity increases lung capacity and strengthens the muscles involved in breathing. Furthermore, practicing deep breathing techniques can help expand the air passages (气道) and improve airflow, providing a sense of relaxation and well-being.Moreover, staying hydrated is another key factor in maintaining healthy air passages (气道). Adequate hydration helps keep the mucus membranes moist, ensuring that the air passages (气道) remain clear and free from blockages. Additionally, consuming a balanced diet rich in antioxidants can support lung health by reducing inflammation and oxidative stress.In conclusion, the air passages (气道) are an essential component of the respiratory system, playing a crucial role in our ability to breathe and maintain life. By understanding their function and taking proactive steps to keep them healthy, we can enhance our overall well-being and respiratory efficiency. Whether through avoiding pollutants, exercising regularly, or maintaining proper hydration, we can all contribute to the health of our air passages (气道) and, in turn, improve our quality of life.

人体是一个复杂的系统，依赖于各种机制正常运作。其中最关键的系统之一是呼吸系统，负责将氧气输送到血液中并排除二氧化碳。这个过程中至关重要的结构被称为气道，包括鼻腔、咽、喉、气管、支气管和细支气管。这些气道作为空气流动的通道，使我们能够呼吸并维持生命。当我们吸气时，空气通过鼻子或嘴巴进入，并经过气道。鼻腔在过滤、加热和湿润进入的空气方面发挥着至关重要的作用。微小的纤毛和粘液共同工作，捕捉灰尘、过敏原和其他颗粒，确保只有清洁的空气进入肺部。这种初步过滤至关重要，因为它保护了更深层次的气道中更精细的结构。当空气穿过咽和喉时，它继续沿着气管向下移动，气管是连接喉咙与肺部的坚固管道。气管分叉成两个主要支气管，各自通向一侧肺部。从那里，支气管进一步分支成较小的管道，称为细支气管，细支气管再分为称为肺泡的微小气囊。正是在这些肺泡中，气体交换发生，使氧气进入血液，同时排出二氧化碳。我们的气道的效率对维持整体健康至关重要。污染、吸烟和呼吸系统疾病等因素会显著影响这些通道的功能。例如，慢性阻塞性肺病（COPD）和哮喘是可能导致气道炎症和狭窄的疾病，使呼吸变得困难。因此，了解如何保持健康的气道对每个人都至关重要。除了避免有害物质，定期锻炼也能极大地改善呼吸系统。身体活动增加肺活量，增强参与呼吸的肌肉。此外，练习深呼吸技巧可以帮助扩展气道，改善气流，提供放松和舒适感。此外，保持水分也是维持健康气道的另一个关键因素。充足的水分有助于保持粘膜湿润，确保气道保持清晰，没有阻塞。此外，摄入丰富抗氧化剂的均衡饮食可以通过减少炎症和氧化压力来支持肺部健康。总之，气道是呼吸系统的一个重要组成部分，在我们呼吸和维持生命的能力中发挥着至关重要的作用。通过理解它们的功能并采取主动措施保持它们的健康，我们可以增强整体健康和呼吸效率。无论是通过避免污染物、定期锻炼，还是保持适当的水分，我们都可以为我们的气道的健康做出贡献，从而改善生活质量。