health hazard

例句：

1. 1. The air pollution is a significant health hazard for the city's residents.
   空气污染是该市居民的一个重大健康威胁。
2. 2.The government has taken measures to reduce the health hazards associated with smoking.
   政府已采取措施减少与吸烟相关的健康危害。
3. 3.To prevent health hazards, it is important to follow proper safety procedures.
   为了预防健康危害，遵循适当的安全程序至关重要。