dust cloud

基本解释

But one thing about the object piqued the curiosity of a team of astronomers: HE0450-2958 was shrouded within a dust cloud that appeared to be too small to hide a surrounding galaxy.
但是HE0450-2958的一個特點引起了一組天文學家的興趣：它被包裹在塵埃雲團之內，可是塵埃雲團太小，遮擋不住外圍的一個星系。
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Traveling, you realize that differences are lost: each city takes to resembling all cities, places exchange their form, order, distances, a shapeless dust cloud invades the continents.
旅行時你會發現各地竝沒有差別：每個城市都與其他城市相似,城市互換形式、秩序以及距離,飄渺的塵霧漫繞大地。
Sculpted by stellar winds and radiation, a magnificent interstellar dust cloud by chance has assumed this recognizable shape.
由恒星風和恒星輻射雕塑的壯麗的星際塵埃雲，碰巧呈現這易辨認的形狀。

Donald Lamb of the University of Chicago and his colleagues think it might be just a dust cloud reflecting the glow of the burst, which is therefore nearby.
ECONOMIST: A symphony in gamma major
The result will be a second, smaller crater, a cloud of dust and, with luck, a plume of steam.
ECONOMIST: Creative destruction
Plowing the same patch on Thursday that he had plowed on Monday, sending up a cloud of dust that hovered in the air.
NEWYORKER: The Tree Line, Kansas, 1934