导读：airpollution可以翻译为空气污染。它指的是空气中存在的有害物质，对人类和环境造成的危害。空气污染主要由工业排放、交通运输、农业活动
airpollution可以翻译为空气污染。它指的是空气中存在的有害物质，对人类和环境造成的危害。空气污染主要由工业排放、交通运输、农业活动和能源消耗等人类活动引起，也可能受到自然因素的影响。
用法：
1. Air pollution is a major environmental problem in many cities.
空气污染是许多城市面临的重大环境问题。
2. The government has implemented strict policies to reduce air pollution.
已经实施了严格的来减少空气污染。
3. The air pollution in this area is caused by the factories nearby.
这个地区的空气污染是由附近的工厂引起的。
4. Children are more vulnerable to the effects of air pollution.
儿童更容易受到空气污染的影响。
5. We need to take action to combat air pollution and protect our planet.
我们需要采取行动来应对空气污染，保护我们的地球。
例句参考：
1. The city has been struggling with severe air pollution for years, leading to numerous health problems for its residents.
这座城市多年来一直在与严重的空气污染作斗争，导致居民出现了许多健康问题。
2. The government has launched a campaign to reduce air pollution, including stricter regulations on emissions from factories and vehicles.
发起了一项减少空气污染的运动，包括对工厂和车辆排放的更严格的规定。
3. The air pollution index in this area has reached dangerous levels, prompting authorities to issue a health warning.
这个地区的空气污染指数已经达到危险水平，促使发布健康告。
4. Many people have started wearing masks to protect themselves from the harmful effects of air pollution.
许多人开始戴口罩来保护自己免受空气污染的有害影响。
5. The government is investing in clean energy sources in order to reduce air pollution and promote sustainable development.
正在投资清洁能源，以减少空气污染，推动可持续发展。