One place scientists are studying very closely is Europa, a moon of Jupiter.
科学家们正在仔细研究木卫二，它是木星的卫星。
In our society, we know that Earth has only one moon.
在我们的社会中，我们知道，地球只有一个月亮。
Hot dogs were one of the first foods eaten on the moon ! About 150 million hot dogs are eaten by Americans each July 4th.
热狗是最早在月球上吃的食物之一！每年7月4日，美国人要吃掉大约1.5亿个热狗。
From Earth, we can only see one side of the moon.
从地球上，我们只能看到月球的一面。
There is one stubborn question for which archaeology has yet to provide any answers: how did the Lapita accomplish the ancient equivalent of a moon landing, many times over?
有一个考古学家还没有给出任何答案的棘手问题：拉皮塔人是如何在远古时代完成相当于现今多次登月一样的任务？
One reason for Israel's acquiescence is a positive feeling towards the UN Secretary-General, Ban Ki-moon.
以色列默许的一个原因是对联合国秘书部长潘基文积极态度。
One day, Miss Moon and Anna went to the Arctic.
有一天，月亮姐姐与安娜来到了北极。
One night, when the moon was round and bright, he found Chang'e was on the moon.
一天晚上，月亮又圆又亮，他在月亮上发现了嫦娥。
The man-made moon will work similarly to the natural one.
人造月球的运作方式与自然月球相似。
The man-made moon will be as bright as the natural one.
人造月亮将和天然月亮一样明亮。
Wu said it would be similar to how we get moonlight, but he predicted that the man-made moon would have eight times the brightness of the real one.
吴说，这将类似于我们获得月亮光照的方式，但他预测，人造月亮的亮度将是真实月亮的8倍。
Designers spent more than one year choosing and testing ideal materials, and finally picked a new kind of material that can resist the very difficult conditions on the Moon.
设计师们花了一年多的时间选择和测试理想的材料，最终挑选出一种能够抵御月球上异常恶劣条件的新型材料。
One problem with the collision hypothesis is the question of how a satellite formed in this way could have settled into the nearly circular orbit that the Moon has today.
碰撞假说的一个问题是，以这种方式形成的卫星是如何在月球现在的近乎圆形的轨道上运行的。
A device that weighs less than one kilogram is part of a mission that will allow scientists to deliver fourth generation or 4G mobile coverage to the moon in 2019.
这个不足一公斤的设备是一个任务的组成部分，该任务可以让科学家在2019年将第四代或4G移动网络覆盖月球。
Walking on the moon is one of the wonders of our times.
在月球上漫步是现代奇迹之一。
This one way to share your observations of the Moon with many people, no matter where they are.
这是将你对月球的观察与其他人分享的一个方法，不管他们人在何处。
We have already seen a moon in Book One.
我们已经在卷一中看到了月亮了。
They could go into lunar orbit or into solar orbit halfway between the Earth and Venus, or one day even land on the moon.
他们可能飞到月球轨道或者地球与金星之间的太阳轨道，甚至有一天降落在月球上。
地球有一个卫星。
One said there was no lava on the moon.
一个说法是月球上没有熔岩。
With the full moon symbolizing family reunion in Chinese tradition, moon worship has been one of the must do's during the festival.
由于圆月在中国人的传统中象征着合家团圆，拜月成为这个节日里必做的一件事之一。
The dust he kicked up reinforced the idea that the moon is one big sand trap.
这也使人们进一步确信月球是一个巨大的沙坑。
Adding to the oddities, in 1978 scientists announced they'd found a moon of Pluto—but one that's almost half its size, making it the largest moon in relation to its parent body.
更奇怪的是，在1978年科学家宣传他们发现了一颗冥王星的卫星，它的体积居然达到冥王星体积的一半，这颗卫星也就成为了已知卫星中与其母星体积相比最大的一颗。
我们享有一个月亮。
What you see yonder is the moon, and the one before it was the sun.
你在那里看到的东西是月亮，之前的那个是太阳。
The firm hopes to use remote controlled robots dispatched from their spacecraft to collect samples and explore the South Pole-Aitken basin on the Moon, one of the oldest craters in the solar system.
该公司希望利用他们的飞船发送遥控机器人到月球的暗区去收集样本和探索位于月球南极的艾特肯盆地，太阳系中最古老的火山口盆地之一。
This one concerned the possibility of life on Saturn's largest moon, Titan.
这次有关生命存在的发现地是土星最大的卫星—土卫六。
This one concerned the possibility of life on Saturn's largest moon, Titan.
这次有关生命存在的发现地是土星最大的卫星—土卫六。
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