It is an acute inflammatory condition confined to supraglottic structures which include epiglottis, aryepiglottic folds and arytenoids.

急性会厌炎是一种急症状态，主要累及喉部声门上区的会厌及其周围组织（包括会厌谷、杓状会厌襞和杓状软骨等。

Strung between the thyroid and arytenoid cartilages, these two muscles form an elastic curtain that opens and shuts across the trachea, the tube that carries air through the throat.

这两块肌肉串在甲状腺软骨和杓状软骨之间，形成了一个弹性幕布，可以打开和关闭气管，气管是输送空气通过喉咙的管道。