"And this," says Dr.Williams, "is good news for long-term space travel."
威廉姆斯博士说：“对于长期太空旅行来说，这是好消息。”
With the development of technology, space travel will be a common thing.
随着科技的发展，太空旅行将会是一件常见的事。
After weeks of space travel, Chang'e 5 successfully brought back rocks from the moon.
经过几周的太空旅行，嫦娥五号成功地从月球带回了岩石。
Space travel may soon be a reality, but how visitors get there is still a very open question.
太空旅行可能很快成为现实，但游客如何到达那里仍然是一个开放性问题。
How Virgin Galactic, regulators and the public respond to this most recent tragedy will determine whether and how soon private space travel can transcend that playground.
维珍银河公司、监管机构和公众如何应对这起最近发生的悲剧，将决定私人太空旅行能否以及多久能超越这块天地。
Ion engines are incredibly efficient, which makes them well suited to deep space travel.
离子引擎是令人难以置信的高效率，所以非常合适深入的太空旅行。
Eg: Nonetheless, I am still in favor of space travel, for its merits far outweigh demerits.
尽管如此，我还是赞成太空探险，因为它的好处远远大于坏处。
One of the primary missions of NASA should have been to drive down the cost of space travel.
NASA的主要任务之一应当是降低空间旅行的成本。
They use this research to analyze and solve problems dealing with satellites and space travel.
他们利用他们的研究成果来分析和解决卫星和太空旅行方面的问题。
We are 50 years into the space age, and yet space travel is just as expensive as it always was.
我们进入太空时代已经有五十年了，但太空旅行仍然昂贵，因为它永远都是这样。
To that end, he’s created some very cool space travel posters modeled on classic travel agency art.
为此他创作了一些非常酷的太空旅行海报，这些海报都是把旅行社的宣传画作为模板绘制的。
We look up at the stars and can't help but think of space travel, or Spanish explorers, or Abraham.
我们抬头仰望星空，有了游历太空的想法，想起了西班牙航海家，或亚伯拉罕·林肯。
Many elements of space travel series and films borrow extensively from the conventions of the western genre.
太空旅行系列片和电影从西部片传统里借用了许多元素。
The idea is that as space travel becomes more common, it will foster new commercial research and adventure tourism.
想法是这样的，随着太空旅行变得更普及，它能培育新的商业研究和探险旅游。
Many companies are pursuing commercialized space travel. Would you travel to the moon commercially if given the chance?
许多公司在追求把太空旅行商业化。若有机会，你是否到月球做一次商业旅行？
The project is broken into different subject areas, including space travel, cities in history, festivals and ancient worlds.
这个项目含有几个不同的主题，其中包括太空旅游、城市历史、节日以及古代世界。
The future of space tourism may be uncertain, but history suggests that some kind of adventure space travel is nearly inevitable.
空间旅游业的未来也许充满变数，但历史告诉我们飞向外层空间的冒险几乎不可避免。
It might be kind of fanciful to some, but on the other hand, space travel was considered science fiction not that many decades ago.
对于某些人，它可能只是种幻想，但换句话说，几十年前，太空旅行不也是被认为是科幻小说吗。
That flexible approach also meant that many of the usual, rigid frameworks that apply to space travel have been dropped for LCROSS.
这种灵活的方式也意味着许多常用于太空旅行的僵化准则已被LCROSS摒弃。
Others suggest that the leap could generate serious interest in space travel, the way the Wright brothers helped inspire aeronautics.
还有一些人认为，这样的跳伞可以真正激起人们对太空旅行的兴趣，就像莱特兄弟激起了人们的航空热情那样。
Surely if an alien civilization is advanced enough to master space travel, it can devise more effective ways of communicating with us.
自然地，如果有外星人文明已先进到可以掌控太空旅行，它可以通过更有效的途径与我们交流。
Just glimpsing the Venusians awakened feelings they never known. They fell in love and quickly invented space travel and flew to Venus.
久远以前的某一天，火星人从天文望远镜中发现金星人，仅只一瞥，就觉得与金星人素未相识，但他们互相仰慕，火星人受邀做了一趟太空之旅，飞向金星。
Founded in 1970, the Virgin Group has expanded to more than 200 companies, ranging from music, publishing, mobile phones and even space travel.
成立于1970年的维珍集团已经扩张为200多家公司，遍及音乐、出版、手机甚至太空旅行领域。
More speculatively, it could make long-distance space travel more feasible by slowing down ageing and reducing the consumption of oxygen and food.
理论上，它还能通过延缓衰老和降低氧气与食物消耗来实现长距离和空间的旅行。
While we're still waiting for flying cars, space travel, jet packs and photon cannons, the top 10 gadgets of 2010 were amazing in their own right.
虽然我们还在期待飞行汽车、太空旅游、喷气发动机组件和光子炮等技术的问世，但2010年的十大酷玩科技产品本身已难敛锋芒。
In low Earth orbit, say 220 miles (355 km) up, where most human space travel takes place, a single circuit is completed in a much brisker 90 minutes.
在近地轨道，例如高于地球表面220英里(355公里)处大多数人类太空旅行发生的地方，运行一圈则需要更短的90分钟。
In low Earth orbit, say 220 miles (355 km) up, where most human space travel takes place, a single circuit is completed in a much brisker 90 minutes.
在近地轨道，例如高于地球表面220英里(355公里)处大多数人类太空旅行发生的地方，运行一圈则需要更短的90分钟。
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