11 .It's inflated with helium, unlike the original, which was filled with hydrogen and, unbeknownst to the pilot, potentially explosive.
12 .Gas-filled models are pretty uncommon now because of the extremely high cost.
13 .So the eighty other balloons in today's launch are hot air, heated by propane burners.
11 .It's inflated with helium, unlike the original, which...
Stepping on the balloon every day is a colorful balloon g...
做什么事都感到吃力的时候，意识到了时间的流逝。 人生如逆水行舟，不进则退。 某一时刻突然感到疲惫，需要喘喘气才可以...
I have a ballon hat. It is an umbrella when I put it on m...
新鲜出炉的处女秀绘本来了！
rewind v.重绕（磁带等）；倒带；倒片 n. 重绕；倒带器 confession n.自认；自白；招供；忏...
Carnival came to the playground, there is a balloon shoot...
The "Poke the balloon-Archery" app respects and protects ...
Text: A pilot noticed a balloon which seemed to be making...
听力材料 A pilot noticed a balloon which seemed to be making ...
本文标题：Balloon Voyage-3
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