Capsaicin is an ingredient in red pepper, when inhaled it can cause cough by stimulating sensory nerve endings.
Capsaicin is an ingredient in red pepper, when inhaled it can cause cough by stimulating sensory nerve endings.
辣椒素是红辣椒中的成分，吸入它时会刺激感觉神经末梢，引发咳嗽。