plant purify

基本解释

In my opinion, we should limit the number of cars and plant more trees to purify the environment.
我认为，我们应限制汽车数量，并植树造林以优化环境。
edu.sina.com.cn
This paper uses floating beds to plant cannas to purify heavily-polluted water in north gate section of Xi'an moat.
以西安护城河污染较严重的北门段水体为研究对象，利用浮床技术种植美人蕉净化重污染水体。
The status of ecological watercourse nowadays is described in the paper and a discovery is that water plant can absorb the infectant and purify the water in different purifying efficiency.
简述了目前生态型河道的现状，发现在河道中种植植被能很好的净化水质，不同的植被净化的能力不一样；