时间旅行也就意味着在第四空间旅行。
But how on Earth do we travel in time? How do we find a path through the fourth dimension?
NASA的主要任务之一应当是降低空间旅行的成本。
One of the primary missions of NASA should have been to drive down the cost of space travel.
这是带有合理可行的空间旅行方法的硬科幻小说。
This is hard science-fiction with a reasonably viable method of space travel.
宇宙空间旅行庙︰即使你不挑这张地图，你需要为它作准备。
Teleport Temple: Even if you do not pick this map, you need to be prepared for it.
比如利用隐蔽的维度进行多维空间旅行，但什么是隐蔽维度还需要被进一步理解。
Hyperspace travel using hidden dimensions that have yet to be sensed would fall into this category.
人们需要的食物，能量，空间旅行能力，这一切只是这个结构的一部分。
You have food, you have energy, you have space travel, you have everything, what a man needs becomes part of this structure.
宇宙空间旅行坦普尔也预防收回并且拒绝的机会同是接近死的动物作斗争。
The Teleport Temple also provides opportunities to withdraw and refuse combat with creatures that are near death.
再深入一点，乘客必须展现出过硬的心理素质以应对空间旅行，从而不至于在中途因惊恐而发作，搞砸飞行任务。
More subtly, passengers will need to demonstrate that they have the psychological stability to handle a trip to space without the sort of panic attack that could scuttle the mission.
它只有180克，几乎不占用储存空间，非常适合想轻装旅行的人。
It weighted only 180 grams and required very little storage space, making it perfect for anyone wishing to travel light.
我们能够乘飞船在空间站旅行。
一些位于或靠近村庄，用作社区的公共空间；其他位于公路旁，作为旅行者休息的地方。
Some were located in or near villages as public spaces for the community; others were positioned beside roads as resting places for travellers.
高铁有更多的空间，旅行也会变得更舒适。
There is more space in the high-speed train and the journey becomes more comfortable.
乐观主义可能起始于最卓绝的人类天份：精神的时间旅行——在头脑中沿时间和空间向前向后移动的能力。
Optimism starts with what may be the most extraordinary of human talents: mental time travel, the ability to move back and forth through time and space in one's mind.
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。
More speculatively, it could make long-distance space travel more feasible by slowing down ageing and reducing the consumption of oxygen and food.
像这样的伪时间和旅行每天都在发生并被我们人类的探测工具（仅举几个例子，如哈勃空间望远镜、设置在夏威夷的一部庞大的凯克望远镜和钱德拉X射线观测卫星）拍摄下来。
Pseudo-time travel like this happens every day, with pictures taken by the Hubble Space Telescope, the mammoth Keck telescopes in Hawaii and the Chandra X-ray Observatory satellite to name just a few.
要摆脱环境的影响则比较难，但你至少可以朝那个方向使把劲，方法就是多旅行，包括时间和空间上的旅行。
It's harder to escape the influence of your own circumstances, but you can at least move in that direction. The way to do it is to travel widely, in both time and space.
排除例如空间扭曲一类的还处于设想阶段的方法，我们依然能找到很多可以在星系旅行中发挥重要作用的可行方案。
If we were to exclude speculative methods of propulsion such as warp drives, we find a rich landscape of promising ideas that may play a crucial role in interstellar travel.
因此，对于很多在线旅行社来说，他们仍然有广阔的收入提升的空间。
As a result, many online travel agencies are still leaving money on the table.
对旅行团以及商务组织来说，大型客房是一个最佳选择，巨大的空间适合多人一起玩乐，工作。
The Big One is perfect for a travelling band or even a business group who want to share quarters; it’s a great space for play or work on a grander scale.
这辑视频所讨论的其它主题包括：商务旅行和家庭旅游。它们的主题由“空间”、“时间”、“娱乐”和“餐饮”等组成。
The subjects discussed in those videos and the others include business travel, family travel and topics that are organized by subjects: “space, ” “time, ” “play” and “treat.”
这不仅开发了计程车式的空间站市场，而且也允许MUSK先生兜售其太空旅行业务。
That will not only open up the taxi-to-the-space-station market, but will also allow him to tout for tourist business.
太空旅馆的价格大约是俄罗斯为国际空间站旅行定价的一半，而且俄罗斯的定价还有可能由于航天飞机在今年退役而水涨船高。
That is about half what Russia charges for a trip to the international station, a price that is likely to go up after the space shuttle retires later this year.
这是一种空间感，延伸感，对旅行可能性的感受。
There is that sense of space, of expansiveness, the possibility of travel.
家禽需要大量的食物和空间，而这正是太空旅行特有的局限，同时还会产生大量的排泄物。
Poultry needs a large amount of food and space, which is typically limited on expeditions, and it produces a lot of excrement.
进入乡村，那里的人们都更加无拘无束，食物充足，一个旅行者在星空下有足够的空间展开睡袋休息。
Go to the country, where people are more relaxed, food is plentiful and there's ample room for one traveler to lay out her sleeping bag under the stars.
它比传统的手提电脑的包更加柔韧，而且有足够的空间让我存放六个月的旅行中我想带的物品。
It's much more flexible than a traditional laptop case, and has enough room for everything I'd hoped to bring on my six month trip.
它比传统的手提电脑的包更加柔韧，而且有足够的空间让我存放六个月的旅行中我想带的物品。
It's much more flexible than a traditional laptop case, and has enough room for everything I'd hoped to bring on my six month trip.
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