她乘坐气球上升，在尼亚加拉大瀑布降落。
气球上升是因为比空气轻。
乘气球上升或驾驶气球。
气球上升得很快——比他预想的快多了——升到了圣佩德罗上空。
He ascended rapidly - much more rapidly than he anticipated - and rose above San Pedro.
不久他又独自一人乘氢气球上升到3000米高空，作了一次35分钟的单独飞行。
Soon he alone rose to the ball of hydrogen by 3000 meters high, made a separate 35-minute flight.
她乘坐气球上升，在尼亚加拉大瀑布降落，她喜欢创造自己的时尚，例如，一个蝙蝠标本栖息在一顶帽子上。
She went up in a balloon and down the Niagara Falls, and liked to create her own fashions-a stuffed bat, for example, perched on a hat.
每次参与高空跳落的人员都会先乘坐热气球上升至数万英尺的上空，跳下后经自由落体和降落伞跳到新墨西哥的沙漠上。
Each time involved riding high-altitude Excelsior balloons up tens of thousands of feet, before jumping, free falling and parachuting to the desert floor in New Mexico.
气球能在天空飞是因为热空气会向上升。
气球在上升。
一个气球怎样在空中上升，并且向上提起人？
气候变化的10项指标中包括船只进行的海平面上升测量，气象气球对上层大气温度的测量以及对冰川融化进行的实地调查。
The 10 indicators of climate change include measurements of sea level rise taken from ships, the temperature of the upper atmosphere taken from weather balloons and field surveys of melting glaciers.
我要下降时，就用一把刀捅破一些气球，或者割掉绳子放飞它们。要上升时，就扔掉一部分用来压重的水。
I descended by popping balloons with a knife or cutting them free, and climbed by throwing off some of my ballast water.
火球在形成之后立刻迅速膨胀并上升，像热气球一样。
Immediately upon formation, the fireball begins to grow rapidly and rise like a hot air balloon.
在上升的过程中，随着气压的降低，气球不断膨胀，到一定的高度，气球就会爆破。
During the ascent the balloon is constantly widening because of the decrease of atmospheric pressure, and at a certain height it will inevitably burst.
穆斯塔法驾驶着热气球，气球一度很惊险地靠近了一个住人的山洞，我吓得不敢出声，但是气球很快又上升了。
Mustapha guides the balloon up and alarmingly close to a 60-ft high cave dwelling. My silence is now based on fear but we drift by and upward.
用粗一些的绳子绑住气球，减掉一段使剩余的绳子重量刚好能够承载气球的上升力，以达到气球稳定漂浮在空中。
Use a heavier rope to fasten an inflated balloon, heavier enough to resist the buoyance of the balloon in order to keep it still in the air.
当点亮时，灯会慢地上升到空中，像个小的热气球一样，所有人都可以看见。
When the lanterns are lit, they slowly rise into the air like small hot-air balloons for all to see.
人们最初上升到空气中是在气球中。
气球：一种大型气密球囊，内充热空气或轻于空气的气体（如氦或氢），以产生浮力，可在大气中上升和飘浮。
Balloon: Large airtight bag filled with hot air or a lighter-than-air gas such as helium or hydrogen that can rise and float in the atmosphere.
然后，气球就可以每次上升一颗沙粒的高度。
Then the balloon will rise one grain of sand's worth at a time.
在热气球里上升。跑一次长跑。
一拉，火启动，气球缓缓上升，很稳很惬意。
When she started the fire, the balloon rising slowly, which made you feel excited and cozy.
一个坐在热气球的男人发现他迷路了，他持续上升并发现下面有个女人。
A man in a hot air balloon realized he was lost. He reduced altitude and spotted a woman below.
多萝茜觉得好像坐在一个气球里渐渐地上升。
向上。气球向上升起。
向上。气球向上升起。
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