Astrophysicists working with ground-based detectors at the South Pole and balloon-borne instruments are closing in on such structures, and may report their findings soon.
天体物理学家利用南极陆基探测器和球载仪器工作，正在对这些云系进行观测，也许不久会报告他们的观测结果。
Other scientists have adopted Sengupta's balloon-within-a-balloon idea.
此外还有一些科学家也从森古普塔借鉴的母子气球中得到启发。
Sengupta realized the balloon-within-a-balloon structure could help him tackle the drug delivery challenge.
森古普塔马上意识到，这种气球套气球的结构也许可以帮助他解决给药的难题。
Despite a number of setbacks, they persevered in their attempts to fly around the world in a balloon.
虽屡遭挫折，他们仍不断尝试乘气球环游世界。
He'll also practice higher and higher balloon jumps.
他还会做越来越高的气球跳跃练习。
I've learned to ski at 40, and flown up the Rhine River in a balloon.
我在40岁的时候学会了滑雪，还坐着热气球飞越了莱茵河。
Without this muscular action, inhaling is like sucking air out of a balloon—the narrow passages tend to collapse.
如果没有这种肌肉运动，吸气就像从气球里吸出空气一样——狭窄的通道往往会坍塌。
We kids really don't need too many toys. Just add some creativity, even a simple balloon and an egg carton can become a fun train or a cute puppy!
我们小孩真的不需要太多玩具。只要加上一点创意，甚至一个简单的气球和蛋盒，也能变成好玩的火车或可爱的小狗！
The engineers were asked to pick any balloon and give it to a person named on the balloon.
工程师们要随意挑选一个气球，并把它交给气球上对应名字的人。
The balloon, a transparent structure that varies in design according to the type of appendicularian inhabiting it, also protects the animal and helps to keep it afloat.
气球是一个透明的结构，根据栖息在气球上的阑尾鱼的类型，气球的设计也有所不同，它还能保护动物，帮助它们保持漂浮。
The balloon gets smaller and smaller.
气球变得越来越小。
We watched the balloon riding high above the fields.
我们看着气球高高地飘浮在田野上空。
On the first day, we took a balloon tour over the rock, and I was surprised at how big it was.
第一天，我们乘气球飞越了岩石，我惊讶于它是如此之大。
如何驾驶热气球？
Here I am in a hot air balloon.
这是我坐在一个热气球里。
Passengers, spacemen, capsule and balloon are then gotten back by ship.
然后乘客、宇航员、太空舱和气球通过船只返回。
I've always wanted to go up in a hot air balloon.
我一直想坐热气球上去。
Such savings naturally encourage continued research into balloon spaceships and water engines.
这样成本的节约自然鼓励了对气球宇宙飞船和水引擎的继续研究。
"Balloon" spaceships could be very large and carry enough water for a long trip.
“气球”宇宙飞船可能会很大，可以携带足够的水进行长途飞行。
Melissa asked her mom if she had ever been in a hot air balloon.
梅丽莎问她妈妈她是否坐过热气球。
The advantage of the balloon is that it will be cheaper than a space plane or rocket.
气球的优点是它比航天飞机或火箭便宜。
Now Neptune faces competition from the Stratollite, a balloon being developed by a company called World View Enterprises.
现在海王星号面临着来自平流卫星的竞争，平流卫星是一家名为世界视野的公司开发的气球。
Scientists think that a spaceship blown up like a balloon will be able to carry that much water.
科学家们认为，一艘像气球一样膨胀的宇宙飞船能够携带那么多的水。
The "Balloon" spaceship uses water to push it through space and costs about one-thirtieth of a normal spaceship.
“气球”宇宙飞船使用水力向太空推进，成本大约是普通宇宙飞船的三十分之一。
With the "Balloon" spaceships, enough water could be carried to power the engines and grow food during the trip.
有了“气球”宇宙飞船，就可以携带足够的水为发动机提供动力，并在旅途中种植食物。
A hot air balloon, shaped and sized to resemble the Space Shuttle, drifts over Ottawa.
一个外形和尺寸十分像太空飞船的热气球漂浮在渥太华上空。
Cleland likened its expansion and contraction to the inflation and deflation of a balloon.
克莱兰德将其放大和收缩比喻为气球的膨胀和缩小。
When they are found, doctors pass a tube with a balloon into the narrowed area and inflate the balloon to compress plaque deposits against the side of the artery.
当它们被发现后，医生通过一个软管把一个小气球进入狭小的区域并且膨胀这个气球去压缩动脉边沉淀下来的血小板。
Click a bookmark to open a balloon that contains the name and description of the bookmark, where the description is any valid HTML you want to display in the balloon.
单击书签，将会打开一个包含书签名称和书签描述的气球，书签描述是想要在气球中显示的、有效的HTML内容。
Click a bookmark to open a balloon that contains the name and description of the bookmark, where the description is any valid HTML you want to display in the balloon.
单击书签，将会打开一个包含书签名称和书签描述的气球，书签描述是想要在气球中显示的、有效的HTML内容。
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