喉气囊肿是一种少见的疾病的异常扩张或球囊喉症的定义，形成一个充满空气腔。

Laryngocele is an uncommon disease defined as an abnormal dilatation or herniation of the laryngeal saccule, forming an air-filled cavity.

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这样整个车罩就在汽车外面形成了一个保护性气囊。即便某个气腔因某种原因破碎后，其它气腔不会塌陷而能继续工作。

In this way, the entire hood forms a protective air bag outside the automobile, even though some air cavity breaks for some reason, other air cavities will not collapse and can keep working.

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