“清洁的”用英语怎么说

在用水以前先将其中不清洁的东西过滤掉.Filter out all the dirt before using the water.清洁的衣服和良好的举止能给人以好感.Clean clothes and good manners are prepossessing.和孩子讨论污染问题，强调清洁的街道、草地或公园有多么美丽。Discuss pollution with your child, emphasizing how nice a ...