| 1. | From his bed he could see the great cumulus clouds that hung in the blue sky .
躺在床上，可以望见碧蓝的天空中飘浮着大块团状的积云。 |
| 2. | How much does the water in a cumulus cloud weigh
一朵积雨云所含的水有多重呢？ |
| 3. | Cumulus clouds billow over the landscape near cedar city , utah
犹他州，锡达城附近，积云在大地上空翻涌。 |
| 4. | Let ' s start with a very simple white puffy cloud - a cumulus cloud
让我们先从一团很普通的蓬松的白色积雨云算起。 |
| 5. | Let ' s start with a very simple white puffy cloud - a cumulus cloud
让我们先从一团很普通的蓬松的白色积雨云算起。 |
| 6. | 6 fig . 7 a band of cumulus clouds associated with a cold front , seen here approaching the airfield from the west
图6和图7与冷锋相关的积云带自西面移向机场 |
| 7. | 6 & fig . 7 a band of cumulus clouds associated with a cold front , seen here approaching the airfield from the west
图6和图7与冷锋相关的积云带自西面移向机场 |
| 8. | Cumulus clouds may not bring rain in their early stage , but if they are to develop further , rain will fall sooner or later
初期的积云不会带来雨水，但若继续发展，到某一程度便会下雨。 |
| 9. | Cumulus clouds may not bring rain in their early stage , but if they are to develop further , rain will fall sooner or later
初期的积云不会带来雨水，但若继续发展，到某一程度便会下雨。 |
| 10. | Cumulus clouds are active and restless in the sky . they play tricks with us , enlightening us with their various shapes
积云在天空是个活跃份子，经常耍出其看家本领，变出各式各样的形态，给我们无限惊喜。 |
