单词学习：heart failure 医学/健康
heart failure
/ˈhɑːrt ˌfeɪljər/
心力衰竭
Mr. Gu, the teacher, explained the symptoms of heart failure in detail during the biology class.
顾老师在生物课上详细解释了心力衰竭的症状。
单词卡片
卡片已就绪
