A light dust storm descended on Lanzhou city, provincial capital of northwestern China's Gansu Province, on Tuesday evening.

星期二晚间，一场轻度沙尘暴袭击了中国西北地区的甘肃省省会兰州市。

youdao

A long tendril of colder gas and dust extends many light years into the void from the receding ionization front.

低温气体和尘埃长长的卷须从渐行渐远的电离前沿一直延伸到数光年远的太空。

youdao

The region features immensely powerful blue stars, which light interstellar dust grains, producing the blue part of the glow.

这个区域的主要特征是极其强大的蓝色恒星，这些恒星使星际尘埃颗粒发出光照中蓝色部分的光。

youdao

These huge groups of stars, gas and dust can be many thousands of light years across.

VOA: special.2009.01.20

The infra-red light from dust heated by a star has a much longer wavelength ie, is cooler than most of the light from the star itself, so a camera tuned to the right wavelength can pick out a dust disc without being totally blinded by the stellar glare.

ECONOMIST: Dusty genesis

"I think we did a good job, " Stanfill says, pointing out that keeping clothes in good shape is a difficult business, susceptible as they are to both light and dust.

WSJ: Tina Gaudoin on Style: All Dressed Up, But Going Nowhere

High on a hill overlooking albuquerque the light- brown dust swirls, and a steel skeleton gleams under the sun.

FORBES: Ready for Takeoff