noun🔗ShareHen suyễn, bệnh hen. A long-term respiratory condition, in which the airways may unexpectedly and suddenly narrow, often in response to an allergen, cold air, exercise, or emotional stress. Symptoms include wheezing, shortness of breath, chest tightness, and coughing."My brother suffers from asthma, which means he sometimes has trouble breathing, especially when he exercises. "Anh trai tôi bị hen suyễn, nghĩa là đôi khi anh ấy khó thở, đặc biệt là khi tập thể dục.medicinediseaseconditionbodyphysiologyorganChat với AIGame từ vựngLuyện đọc
