| 1. | The fireball is no longer luminous but it is still very hot and it behaves like a hot-air balloon, rising at a rapid rate .
火球不再明亮，但它还很热，并且象一个上升得很快的热气球一样。 |
| 2. | Colored hot - air balloon games - 4455 miniclip games
热气球着色小游戏- 4399小游戏 |
| 3. | Hot air balloon ride in napa with train wine taste
那帕酒乡热气球之旅火车品酒 |
| 4. | Cartoon hot air balloon games - 4455 miniclip games
卡通热气球小游戏- 4399小游戏 |
| 5. | . . . and know nothing about lighter - than - air craft . .
我不知道怎么飞热气球. . |
| 6. | They crossed the english channel in a hot - air balloon
他们乘热气球横越英吉利海峡。 |
| 7. | I took a hot - air balloon ride on my birthday
我在生日那天去搭热气球。 |
| 8. | Hot air balloons use ordinary air as the lifting gas
热气球将通用空气拿来当作上升气体。 |
| 9. | And know nothing about lighter - than - air craft
我不知道怎么飞热气球 |
| 10. | Hot air balloons use ordinary air as the lifting gas
热气球将一般的空气拿来当作上升气体。 |
