At Space Camp, trainees can earn their Space Exploration badge as they build and fire model rockets.
在太空营，学员可以制作和发射火箭模型，以此获得太空探索徽章。
Cyrano was dead and buried for a good three centuries before the first manned rockets started to fly.
在第一批载人火箭开始飞行之前，西拉诺已经死了，且已被掩埋了整整三个世纪。
But while rockets are fine for research, they cannot provide the protection from lightning strikes that everyone is looking for.
"然而，火箭虽然用来做研究是很好的，但却无法提供人们想要的免受雷击的保护。
"We can cause the lightning to strike where we want it to using rockets," says Ralph Bernstein, manager of lightning projects at EPRI.
美国电力研究协会（EPRI）负责闪电项目的经理拉尔夫·伯恩斯坦说：“我们可以用火箭让闪电打到我们想要的地方。”
Pyramids, cathedrals, and rockets exist not because of geometry or thermodynamics, but because they were first a picture in the minds of those who built them.
金字塔、大教堂和火箭的存在并不是因为几何形状或热力学，而是因为它们首先是建造它们的人的脑海中的图画。
In the early 1960s, researchers tried firing rockets trailing wires into thunderclouds to set up an easy discharge path for the huge electric charges that these clouds generate.
在20世纪60年代早期，研究人员试图将火箭尾部的电线发射到雷云中，以便于为这些雷云产生的巨大电荷建立一个简单的放电路径。
Some futurists envision nanotechnology also being used to explore the deep sea in small submarine, or even to launch finger-sized rockets packed with micro miniature instruments.
一些未来学家设想纳米技术也可以用于在小型潜水艇里探索深海，甚至可以用来发射装有微型仪器的手指大小的火箭。
People can only fly rockets into space right now.
现在人们只能把火箭送入太空。
The rockets take astronauts and man-made satellites into space.
火箭把宇航员和人造卫星送入太空。
In 1956, he set up the first research institute of rockets and missiles.
1956年，他建立了第一个火箭和导弹研究所。
Li Zixuan says that when he was a child, he heard about rockets and spaceships.
李子轩说，他小时候就听说过火箭和宇宙飞船。
After he graduated, he became a teacher as well as a researcher who studied rockets and missile theories.
毕业后，他成为了一名教师以及研究火箭和导弹理论的研究员。
From his father, he knew that scientists make rockets to carry things into space, and spaceships are used to carry people through space.
从他父亲那里，他得知科学家们制造火箭来把东西送入太空，而宇宙飞船是用来载人穿行太空的。
Objects, like bits of old space rockets or satellites, move around the planet at very high speeds, so fast that even a very small piece can break important satellites or become dangerous to astronauts.
一些物体，比如一些旧的太空火箭或卫星碎片，在地球上以非常高的速度运动，速度如此之快，以至于一个非常小的碎片都能破坏重要的卫星或对宇航员造成危险。
The new rockets could take astronauts to some thrilling places.
新型火箭可以搭载宇航员到达某些令人兴奋的地方。
Listing 7 shows a (contrived) application to assemble toy rockets.
清单7显示了一个装配玩具火箭的应用程序(人为设计)。
Together on the right, are Mercury-Redstone and Mercury-Atlas rockets.
右边两个是水星-红石号和水星-阿特拉斯号。
But the Ares I-X and Ares I rockets are by no means the largest rockets ever built.
不过，战神i - X和战神I号火箭决不是有史以来最大的火箭。
His brother Fred remembered him building telescopes and launching home-made rockets.
他的兄弟弗莱德记得他制作过望远镜、发射过自制的火箭。
Over 1600 carrier rockets have already been launched from the space field in Plesetsk.
在普列谢茨克，已有超过1600枚的运载火箭被发射进入太空。
Some of them have captured some of these rockets and they don't know how to fire them.
他们缴获了一些火箭，却不知如何发射。
The huge, showy booster rockets fallen away, it was just a little glider or an aeroplane.
巨大显眼的助推火箭脱离后，它看上去只是架小型滑翔机或飞机。
Company CEO Elon Musk says the Falcon Heavy will be one of the biggest rockets ever built.
空间探索技术公司首席执行官玛斯克说，猎鹰重型火箭将是有史以来最大的火箭之一。
A contrail is the visible vapor trail behind airplanes or rockets traveling at high altitudes.
这团痕迹可能是飞机或火箭飞上高空后留下的航迹云。
But NASA acknowledges that rockets aren't the only - or even the best - way to get into space.
不过，太空署也承认火箭并非唯一的——或者最好的——飞天方式。
One engineer claims nuclear rockets are inherently twice as efficient as their chemical brethren.
一个工程师称核能火箭的效率天生比它们的化学兄弟火箭高一倍。
The rockets trailed wires behind them to direct the lightning through the camera's field of view.
通过发射小型的火箭到风暴中来引发电击，而火箭连接的导线则将闪电导入照相机的视野之内。
The company's reusable rockets are designed to lift off for space and return several times a day.
该公司的火箭可以二次使用，其设计不但可以发射至太空中，还可以在一天中往返数次。
The company's reusable rockets are designed to lift off for space and return several times a day.
该公司的火箭可以二次使用，其设计不但可以发射至太空中，还可以在一天中往返数次。
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