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 flying dust 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。

youdao

To improve the environment, many measures have been taken to reduce and control flying dust.

北京为了改善环境，积极治理扬尘天气。

youdao

D. Simplifying process of production. superior and sanitary operation environment, and flying dust can be avoided during the drying process.

生产过程简化，操作环境卫生条件优越， 能避免干燥过程中的粉尘飞扬。

youdao

It was there that Jared Graves of Australia, sitting just behind the Latvian, saw his chances bite the dust when he was brought down by the flying bike of crashing South African Sifiso Nhlapo.

CNN: France win BMX gold as Briton Reade crashes