20 years flew by, and so many changes took place, but the road from the post office to the village always hadn't had any trees and nothing but the flyingdust could be seen.
20年过去了,发生了很多变化,但从邮局到村子的路上一直没有树,除了飞扬的灰尘什么都看不到。
2
To improve the environment, many measures have been taken to reduce and control flyingdust.
北京为了改善环境,积极治理扬尘天气。
3
D. Simplifying process of production. superior and sanitary operation environment, and flyingdust can be avoided during the drying process.