而空气污染又使光污染问题愈发严重，因为漂浮在空气中的小颗粒通过散射和反射光线，加剧了这一问题。
Light pollution is made worse with air pollution, as the small particles that float in the air serve to scatter and reflect the light, compounding the problem.
（在更远的海面，）冰山的体积已经很小，像微小的食盐颗粒一样漂浮在广阔的大洋上。
No more than tiny white specks at this scale, the icebergs resemble tiny grains of salt floating on the water’s surface.
从智利火山喷发跨越太平洋漂浮的火山灰颗粒对新西兰和澳大利亚东部航空带来进一步的扰乱。
Ash particles drifting across the Pacific Ocean from a volcanic eruption in Chile are causing further disruption to airlines in New Zealand and eastern Australia.
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