花柳病

例句：

1. 1. He was diagnosed with a sexually transmitted disease.
   他被诊断出患有一种性传播疾病。
2. 2. The epidemic has spread to every corner of the city, affecting many people's lives.
   这场疫情已经蔓延到城市的每个角落，影响了许多人的生活。
3. 3. It is important to take precautions against sexually transmitted diseases.
   采取预防措施以防止性传播疾病是很重要的。