原级：purify
purifies的反义词
现在分词：purifying
过去分词：purified
过去式：purified
purifies是什么意思
1. 淨化：biogeochemical cycles 生物地理化學週期 | purifies 淨化 | evaporation 蒸發
1. purifies
1. It also helps to prevent flooding, purifies water and releases vegetative matter into rivers to help feed fish.