n.氯，氯气

Chlorine is used to disinfect swimming pools.
氯被用于消毒游泳池。
The chemical reaction produced chlorine gas.
那个化学反应产生了氯气。
Chlorine bleach is essential for removing stains from clothes.
漂白粉对于去除衣物污渍至关重要。
The water treatment plant adds chlorine to the water supply.
水处理厂向供水中添加氯。
The fumes from the chlorine container were highly toxic.
氯气罐散发出的气体毒性极高。
Chlorine is a key component in table salt, NaCl.
氯是食盐（NaCl）的重要成分。
Chlorine is often used as a germicide in food processing.
在食品加工中，氯常被用作杀菌剂。
The chemist carefully handled the chlorine solution, wearing protective gear.
化学家小心翼翼地处理氯溶液，穿着防护装备。
The chlorine level in the lake needs to be checked regularly.
湖泊中的氯含量需要定期检查。
Exposure to high levels of chlorine can cause respiratory problems.
暴露于高浓度氯气可能导致呼吸系统问题。