balloons的例句大全

Balloons are aerostats, which means that are lighter than air when inflated.

气球是轻飞行器,也就是说,充气后, 它们会比空气轻.

Incendiary ammunition had been developed for use against observation balloons in France.

在法国,已经研究出用燃烧弹对付侦察气球的办法.

We tell the story of lighter-than-air balloons.

我们将播讲有关人类乘坐轻气球飞行的故事.

They also discovered that the helium in the balloons would last for six hours.

他们也发现汽球中的氦气有效时限可达六小时.

Many air balloons race in New Mexico each year.

每年在新墨西哥有很多热气球比赛.

Little children run about playing with balloons and eating ice creams.

小孩子跑来跑去玩着气球,吃着冰淇淋.

The Public Relation people give away 100, 000 balloons.

公共关系公司的人们赠送了10万个气球.

The files blame other UFO sightings on weather balloons, clouds or normal aircraft.

有一些文件把其它的UFO目击事件归因为气象探测气球 、 云彩或正常的飞行器.