hazard of reservoir cold water

例句：

1. 1. The accident was a major hazard to the workers' lives.
   这次事故对工人的生命构成了重大威胁。
2. 2. The decision to build a new bridge was a significant hazard for the town.
   决定建造新桥对小镇来说是一个巨大的风险。
3. 3. The scientist warned that the chemicals could pose a hazard to human health.
   科学家警告说，这些化学物质可能对人类健康构成危险。