chloros

例句：

1. 1. This chemical is used in the production of chlorine gas.
   这种化学物质用于生产氯气。
2. 2. The chlorine in swimming pool water can be harmful to humans.
   游泳池水中的氯对人有害。
3. 3. Chlorine is a strong disinfectant that kills bacteria and viruses.
   氯是一种强效消毒剂，可以杀死细菌和病毒。