disease

心脏病是全世界主要的死亡原因之一。

Heart ___disease is a leading cause of death worldwide.

心脏病是许多国家的主要健康问题。

Heart ___disease is a major health concern in many countries.

卫生官员正在监测这种疾病的爆发。

Health officials are monitoring an outbreak of the ___disease.