ruckling

The old man's chest ruckled with every breath during his sleep.

用法提示：这里ruckled作不及物动词，描述胸腔发出喉鸣声的动作。

The patient began to ruckle as the mucus blocked his airway.

用法提示：ruckle作不定式，表示开始发出喉鸣声。

A cat with a cold often ruckles when it tries to purr.

用法提示：ruckles为第三人称单数形式，描述猫因感冒发出的喉鸣声。