air passage
简明释义
风道
英英释义
例句
1.The doctor explained that the inflammation in her throat was blocking her air passage 气道, making it difficult to breathe.
医生解释说,她喉咙的炎症阻塞了她的气道,使得呼吸困难。
2.During the asthma attack, her air passage 气道 constricted, causing her to wheeze.
在哮喘发作期间,她的气道收缩,导致她喘息。
3.He used a humidifier to help keep his air passage 气道 moist during the dry winter months.
他使用加湿器来帮助在干燥的冬季保持他的气道湿润。
4.The coach emphasized the importance of proper breathing techniques to ensure an open air passage 气道 during physical activity.
教练强调了正确呼吸技巧的重要性,以确保在体育活动中保持畅通的气道。
5.After the surgery, she experienced some swelling that temporarily narrowed her air passage 气道.
手术后,她经历了一些肿胀,暂时缩小了她的气道。
作文
The human respiratory system is a remarkable network that allows us to breathe and sustain life. At the core of this system are the lungs, which serve as the primary organs for gas exchange. However, before air reaches the lungs, it must travel through various structures, known collectively as the air passage (气道). The air passage includes the nose, throat, and trachea, all of which play crucial roles in filtering, warming, and humidifying the air we inhale.When we take a breath, air enters through the nostrils or mouth and travels down the nasal cavity. The nasal cavity is lined with mucous membranes that trap dust, pollen, and other particulate matter, preventing them from entering the lungs. This initial filtration is essential because it protects our respiratory system from potential irritants and pathogens. Once the air is filtered, it moves into the pharynx, which is a shared pathway for both air and food. The pharynx directs the air into the larynx, where the vocal cords are located. This transition is vital, as it ensures that air can pass freely into the trachea, the main conduit to the lungs.The trachea, often referred to as the windpipe, is a tube that extends from the larynx to the bronchi, which lead to each lung. The walls of the trachea are reinforced with cartilage rings that keep it open, allowing air to flow unobstructed. As the air continues its journey through the air passage (气道), it branches off into smaller tubes called bronchi and eventually into bronchioles, leading to the alveoli, where the actual gas exchange occurs.Understanding the significance of the air passage is essential, especially when considering respiratory health. Conditions such as asthma, chronic obstructive pulmonary disease (COPD), and infections like bronchitis can severely affect the air passage. In asthma, for instance, the air passages become inflamed and narrowed, making it difficult to breathe. Patients often experience wheezing, coughing, and shortness of breath due to the constriction of these vital pathways.Moreover, environmental factors such as pollution, smoke, and allergens can impact the integrity of the air passage (气道). Prolonged exposure to these irritants can lead to chronic inflammation and damage, resulting in long-term respiratory issues. Therefore, maintaining clean air and reducing exposure to harmful substances is crucial for preserving the health of our air passage.In conclusion, the air passage is not just a simple pathway for air; it is a complex and essential component of our respiratory system. From filtering and conditioning the air we breathe to ensuring efficient gas exchange in the lungs, the air passage plays a vital role in our overall health. By understanding its function and importance, we can take better care of our respiratory system and advocate for cleaner air to protect this invaluable resource.
人类呼吸系统是一个了不起的网络,使我们能够呼吸并维持生命。这个系统的核心是肺,它们作为气体交换的主要器官。然而,在空气到达肺部之前,它必须通过各种结构,这些结构统称为气道。气道包括鼻子、喉咙和气管,所有这些在过滤、加热和湿润我们吸入的空气中发挥着至关重要的作用。当我们吸气时,空气通过鼻孔或嘴进入,经过鼻腔。鼻腔内衬有粘膜,可以捕捉灰尘、花粉和其他颗粒物,防止它们进入肺部。这一初步过滤是至关重要的,因为它保护我们的呼吸系统免受潜在刺激物和病原体的侵害。一旦空气被过滤,它就会流入咽喉,咽喉是空气和食物的共同通道。咽喉将空气引导进入喉部,声带位于此处。这一过渡至关重要,因为它确保空气可以自由地通过气管,气管是通往肺部的主要通道。气管,通常被称为风管,是一条从喉部延伸到支气管的管道,支气管通向每个肺。气管的壁由软骨环强化,以保持其开放,允许空气畅通无阻地流动。随着空气继续沿着气道(气道)旅行,它分支成更小的管道,称为支气管,最终进入细支气管,通向肺泡,在那里实际的气体交换发生。理解气道的重要性至关重要,特别是在考虑呼吸健康时。例如,哮喘、慢性阻塞性肺病(COPD)和支气管炎等感染都可能严重影响气道。在哮喘中,气道变得发炎和狭窄,导致呼吸困难。患者常常因这些重要通道的收缩而经历喘息、咳嗽和呼吸急促。此外,污染、烟雾和过敏原等环境因素也会影响气道(气道)的完整性。长期暴露于这些刺激物可能导致慢性炎症和损伤,从而导致长期呼吸问题。因此,保持空气清洁,减少接触有害物质对于保护我们气道的健康至关重要。总之,气道不仅仅是空气的简单通道;它是我们呼吸系统复杂且必不可少的组成部分。从过滤和调节我们呼吸的空气到确保肺部有效的气体交换,气道在我们的整体健康中发挥着重要作用。通过理解其功能和重要性,我们可以更好地照顾我们的呼吸系统,并倡导更清洁的空气以保护这一宝贵资源。
相关单词