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[天]气体云；空气层；烟气层；毒云
1、cloud nine───n.九重天（想象中的天堂）；极乐心境；狂喜状态；n.<俚>极乐心境，狂喜状态
2、shelf cloud───架云
3、disroot cloud───脱根云
4、low cloud───[气象]低云
5、gas───vi.加油；放出气体；空谈；n.(Gas)人名；(法、德、西)加斯；vt.加油；毒（死）；n.气体；[矿业]瓦斯；汽油；毒气
6、dark cloud───乌云；黑云；暗云
7、cloud───n. (Cloud)克劳德（人名）；vt.使混乱；以云遮蔽；使忧郁；玷污；n.云；阴云；云状物；一大群；黑斑；vi.阴沉；乌云密布
8、cloud concert───云音乐会
9、dust cloud───尘埃云；[天]尘云；尘雾；尘云，尘雾; 粉雾
1、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。
2、When sprayed with tear gas, a player will have severe visual limitations imposed on him by way of blurred vision and the gas cloud.───当在游戏中被催泪瓦斯喷到时，你会因为视觉模糊和瓦斯烟雾等强制的视觉效果而使你无法看清东西。
3、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。
4、Glycolaldehyde, an eight-atom sugar, has even been found in an interstellar gas cloud near the center of the Milky Way.───乙醇醛是一种八分子的糖，它竟是在银河中心附近一处星级气体云发现的。
5、The odd looking "creature" in the center of the above photo is a gas cloud known as a cometary globule.───在上面图片中心处的这个怪异的“生物”，是一个著名的彗星状云球的云气团。
6、Gas Cloud Harvesters now have the correct skill requirements in their description.───气云矿带现在能显示正确的技能需求。
7、The odd looking "creature" or "hand" extending down from the top of the above photo is a gas cloud known as a cometary globule.───从上面影像上方向下伸出的外表奇怪的“生物”或“大手”是一团被称为彗形球状体的气体云，但是这团球状体已经破裂了。
8、Two-and three-dimensional hydrodynamic computer codes have been applied to the study of the early phases of the collapse of a gas cloud.───二维和三维流体力学计算机程序，已用于研究气体云的早期坍缩。
1、The flammable gas cloud (ethine and air) explosion experiments have been carried out to examine the calculations.
2、Researchers had known the cluster was encountering a gas cloud, because off striking nebulosity that envelopes the cluster?
3、Known by the popular name of the Dumbbell Nebula, the beautifully symmetric interstellar gas cloud is over 2.5 light-years across and about 1,200 light-years away in the constellation Vulpecula.
4、The gas cloud had dissipated by late morning.
5、Researchers had known the cluster was encountering a gas cloud, because off striking nebulosity that envelopes the cluster?s brightest stars and is visible through backyard telescopes.
6、A heavy overcast like a poison gas cloud was stationary over the battered city.