The Sun, Moon, and the planets formed from a huge spinning gas cloud that collapsed into a gyrating disc.

太阳、月亮和这些星球形成于倒塌进一个旋转盘状物的一团巨大旋转汽云。

《柯林斯英汉双解大词典》

Named Gas Cloud Harvesters now have the correct skill requirements in their description.

稀有气云矿带现在能显示正确的技能需求。

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Waiting for a gas cloud to stumble into their vicinity isn't a very efficient means of hunting.

守株待兔地等待气体云闯入其领地可不是有效率的捕猎方式。

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One shows the remains of a dying star four thousand light years away which has thrown off a cloud of glowing hydrogen gas.

VOA: special.2009.09.30

Then, Siegelson said, you could seek refuge there, and wait until the gas cloud moves by.

CNN: gas mask

Emergency officials in southern Kent advised residents "to keep doors and windows closed due to a gas cloud".

BBC: French Lubrizol factory struggles to stop foul gas leak

At the moment the shape of the radio-emitting, cigar-shaped gas cloud at the core of the galaxy is a mystery.

BBC: By BBC News Online Science Editor Dr David Whitehouse