It is an inflammatory condition of the larynx, trachea and bronchi; more common than acute epiglottitis.

这是一种喉、气管支气管粘膜的急性感染性疾病；比急性会厌炎更常见。

It goes down past the trachea and main bronchi to eventually reach the bronchioles - it's primary target.

经过气管和主支气管后，病毒最终到达其主要目标细支气管。

Smooth muscle along the trachea and the first few branches of bronchi have beta 2 adrenergic receptors.

气管和初级支气管分支的平滑肌上，都有β2受体。

The trachea and the first three generations of bronchi, are all pretty wide and use cartilage rings for support.

食管和前三级支气管都非常宽大，有气管软骨作支撑。

Have you tried to intubate her left bronchus?

有没有试过插管进左支气管？

The mainstem bronchi then divide into smaller and smaller bronchi.

支气管会反复分支成小支气管。

The actions of these cohorts eventually led to severe pulmonary haemorrhage and necrosis – or tissue death – within the bronchi.

这种团伙行动最终导致了严重的肺出血和支气管内的坏死——或组织死亡。

Asthma affects the respiratory system, particularly the smaller airways, such as the bronchi and bronchioles.

哮喘会影响呼吸系统，尤其是较小的气道，例如支气管和细支气管。

Chronic bacterial infection and inflammation can lead to bronchiectasis, which is airway wall damage causing permanent dilation of the bronchi.

长期细菌感染和炎症可以导致支气管炎，即气道壁被破坏导致支气管的永久性扩张。

Others in such high-risk areas as the walls of the bronchi and the intestines remove certain bacteria and shattered cells.

我们对疾病产生免疫力 身体处理感染有其特殊的方法。它有一个系统，能够一开始就阻止感染性物质的侵袭，然后通过" 记忆" ，它能给身体—个长久的免疫力来抵抗来自将来同种入侵者的侵袭。