氦气球

helium balloons───氦气球

fire balloon───热气球

kite balloon───系留气球

lead balloon───无法成功

pilot balloon───测风气球

trial balloon───（美）测验风速的气球；（美）试探舆论的行动

a trial balloon───试验气球

hot-air balloon───热气球

weather balloon───[气象]气象气球；探空气球

He also invented the Skyhook, an air rescue system that involved an airplane and a large helium balloon.───他还发明了高空吊运车，这是一种为飞机和大型的氦气球的空中救援系统。

a giant helium balloon would pump chemicals into the atmosphere via a 23km hose attached to the ground.───一个巨大的氦气球将化学物质通过一个与地面连接的23千米长的软管将化学物质泵到大气层中。

Now the glowing ball expanded quickly, rising like a helium balloon.───现在，这个发光的球体迅速扩大，像氮气球一样升起。

Just a little British ingenuity that saw a standard digital camera taped to a helium balloon and floated into the sky.───只需要点英国人的小智慧，将一个绑在氦气球上的标准数码相机飘入天空，万事俱矣。

Bloon will carry passengers in a pod suspended beneath a large helium balloon, or sail, as it is called.───Bloon将使用悬挂在一个大的氦气球或行船下的分离舱载人，据它所说。

Light kite consists of hydrogen or helium balloon and the balloon is combined with kite through adhesion, netting or embedding.───本发明公开了一种由充有氢或氦的气球与传统风筝组成的轻体风筝及其制作方法。

When you're a little kid and you're holding a helium balloon, it has to cross your mind, ' Couch said.───考区说︰「当你还是孩子时，手里拿著一个氦气球，就会萌生这种念头。」

He plans to circumnavigate the world in a helium balloon.

He also invented the Skyhook, an air rescue system that involved an airplane and a large helium balloon.