Main infectious diseases

• 主要疾病

Main infectious diseases的用法和样例：

例句

1. Smoking is a causative factor in several major diseases.
   抽烟是引起几种主要疾病的病因。
2. The odontopathy is one of the main diseases which are accepted as influence people's health.
   牙病已经是一种公认影响人们健康的主要疾病之一了。