1.   ...a large cloud of poisonous gas.

2.   At other times, a flotsam of ragged, dark clouds that seemingly float and circulate beneath the bases of large clouds can lend the impression of a funnel.

3.   A bubbly cumulus topped by an large oval lenticular cloud brightened an azure sky, with little slots of snow just below the rim line.

4.   A feeling of vulnerability looms over the event like a large dark cloud.

5.   A large dark cloud appears to be hovering over the Patriots no matter where they play.

6.   For example, lightning is generated in cold upper layers of air when particles of partly frozen water and ice crystals collide inside large clouds.

7.   Large clouds.

8.   Meanwhile, the feed-chute washdown had generated a large cloud of steam in adjoining furnaces, causing temperatures and air pressure to drop.

9.   Pumping the sprayer vigorously four or five times, he produced a large cloud of fine particles that hung in the air like fog.

10.   The astronomers noticed characteristic features in the light spectrum that betrayed the presence of a large intergalactic cloud between the light source and Earth.