The moon is a satellite of earth.
月球是地球的卫星。
A new satellite has been put into orbit around the earth.
一颗新的人造卫星被送上了环绕地球的轨道。
The moon exerts a force on the earth that causes the tides.
月球对地球的吸引力引起潮汐。
Because the earth spins, it is not a perfect sphere.
因为地球旋转，所以它不是个完完全全的球体。
Take away love and our earth is a tomb.
没有了爱，我们的地球就是一个坟墓。
One day, a UFO come to the earth.
有一天，一个外星飞碟来到了地球。
Venus has long been held up as a cautionary tale for everything that could go wrong on a planet like earth.
长期以来，金星一直被认为是一个警示故事，告诉我们在像地球这样的行星上，任何事情都可能出错。
Help us build a base on the earth.
帮我们在地球上建立一个基地。
Are you a friend of the earth?
你是地球的朋友吗？
The moon exerts a force on the earth.
月球对地球有引力。
The earth takes a year to orbit the sun.
地球绕太阳一周要一年的时间。
When the sun's rays hit the earth, a lot of the heat is reflected back into space.
太阳光线照射到地球时，大量的热被反射回太空。
The earth would be a frozen ball if it were not for the radiant heat of the sun.
要是没有太阳的辐射热，地球将会是一个冰冻的球体。
After a week at sea, it was good to feel the earth beneath our feet again.
出海一周后，重新踏上陆地感到很愉快。
The earth surface of the courtyard extended into a kind of rudimentary kitchen.
院子的泥土地面延伸进一间类似简易厨房的地方。
If it had hit the Earth, it would have made a crater 100 miles across and thrown up an immense cloud of dust.
如果它撞上了地球，就会砸出一个100英里宽的大坑并扬起巨大的尘埃云团。
He employed a scorched-earth policy, destroying villages and burning crops.
他采取了焦土政策，摧毁村庄并烧掉了庄稼。
The island is truly a heaven on earth.
那个岛堪称人间天堂。
There is an asteroid on a collision course with the Earth.
有个小行星正处于可能与地球发生碰撞的航向上。
They banked the earth (up) into a mound.
他们把土堆成一个土丘。
Despite all the hoopla, Palo Alto's 100th birthday party is actually designed to be a simple, down-to-earth affair.
除了喧闹外，帕罗奥图一百岁生日聚会实际上被设计为一个简朴实惠的活动。
The book is a friendly, down-to-earth introduction to physics.
这是一本简明、实用的物理学入门书。
A Christmas wreath exclaiming PEACE ON EARTH hangs on the restaurant door.
一个写着“世界和平”的圣诞花环悬挂在饭店的门上。
A Russian space capsule is currently orbiting the Earth.
一个俄罗斯太空舱目前正环绕地球飞行。
They shunned the belief that there is a link between the alignment of the planets and events on the Earth.
他们回避了在行星的排列和地球上发生的事件之间有联系的看法。
The earth looks like a big blue marble.
地球看上去就像一个巨大的蓝色玻璃球。
Some geoscientists think that this catastrophe involved a meteor striking the earth.
一些地球科学家认为这次灾难与一颗流星撞击地球有关。
Overall earth is warming at a rapid pace.
总的来说，地球正在快速变暖。
Overall, earth is warming at a rapid pace.
总的来说，地球正在快速变暖。
Think of wetlands as a giant sponge: the earth soaks up a lot of this water that's continually flooding the surface, which increases the amount of water below.
把湿地想象成一块巨大的海绵：地球吸收大量的不断涌向地表的，增加了地表以下水量的这些水。
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