这意味着至少到2009年，每年空气中浮尘每年减少4594吨。

That means 4,594 fewer tons of airborne dust each year until at least 2009.

youdao

这意味着至少到2009年，每年空气中浮尘每年减少4594吨。

That means 4, 594 fewer tons of airborne dust each year until at least 2009.

youdao

出现沙尘暴天气时狂风裹的沙石、浮尘到处弥漫，凡是经过地区空气浑浊，呛鼻迷眼，呼吸道等疾病人数增加。

Appear when sandstorm in the sand, floating dust storm wrapped by district, who was filled QiangBi fan, air turbid eyes, respiratory diseases increased.

youdao