Witnesses say the balloon caught fire shortly after takeoff and passengers jumped out almost immediately 据目击者描述，热气球在升空后不久便着了火，乘客们立即纷纷跳出自救。
Witnesses say the balloon caught fire shortly after takeoff and passengers jumped out almost immediately 目击者说在旅客上了热气球后不久热气球着火了，旅客就直接从热气球上跳了下来。
The museum aims to answer questions many people ask about balloons and those who fly them : how are balloons built 博物馆旨在解答人们关于热气球和这些飞行员的问题：气球是如何制作的？
By heating the air inside the balloon , the pilot makes that air lighter than the outside air , and the balloon rises 驾驶员会加热热气球内部的空气，使其比外部的空气轻，促使热气球上升。
A hot - air balloon shaped as a cathedral is prepared for its first flight in st . gallen , switzerland , jan . 6 , 2003 6日，在瑞士的圣加伦城，一只大教堂形状的热气球首次进行“他”的处女飞行。
We promise a day that is as informative as it is fun - jokes tend to get better and better with each wine tasting 乘坐热气球后，享受一顿特别为您准备的香槟美食brunch ，并游览周边的果园风景。
Dr . bertrand piccard - the first round the world balloonist media session and special lecture at hku press invitation 首位成功以热气球环绕地球的探险家访问港大主持专题讲座及与传媒会晤(采访邀请)
