Mercury is the second most dense planet after earth.
水星是第二个在地球上密度最大的行星。
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。
When he came down to earth after his win he admitted: "It was an amazing feeling."
当在胜利之后回来面对现实时他承认：“当时感觉太棒了。”
If we don't look after our earth carefully, the day will come when flowers will only be able to grow on the moon.
如果我们不仔细照顾我们的地球，总有一天，花将只能在月球上生长。
Tiangong Ⅰ, China's first space lab, returned to the earth after finishing its job on April 2 this year.
天宫一号，中国首个太空实验室，在今年4月2日完成任务后返回地球。
After leaving the earth last summer, Zhu Rong circled Mars for several months and landed on it in May.
去年夏天离开地球后，祝融号围绕火星飞行了几个月，并于今年5月登陆火星。
Soon after, Slat was named a "Champion of the Earth" by the United Nations for his meaningful and valuable work.
不久之后，斯拉特被联合国授予“地球卫士”的称号，表彰他的工作具有意义和价值。
After Hou Yi shot down the nine suns, everything began to grow on the earth.
后羿射下九个太阳后，地球上的万物都开始生长。
At the edge of darkness, after about eight hours, I turned around and saw the Earth from our altitude at Hubble, 568 kilometers up.
在黑暗的边缘，大约8个小时后，我转过身来，从哈勃望远镜上看到了568公里高处的地球。
After many years of scrutinizing, astronomers have found a planet that is similar to the Earth.
经过多年的仔细研究，天文学家发现了一颗与地球相似的行星。
After 15 minutes of climbing over large rocks, pushing past bushes, and slipping down loose earth, Grant found a pink figure.
整整15分钟，格兰特翻过巨石，穿过灌木丛，从松散的泥土上滑下，之后，他发现了一个粉色的身影。
A new book called Noodle Stories that was written 55 years after the birth of the instant noodles in Japan, mentioned that there were more than 100 billion cups of instant noodles worldwide in 2012—that's about 14 cups for every person on Earth.
在方便面诞生于日本55年后，一本名为《面条的故事》的新书写成，书中提到在2012年全球有超过1000亿杯方便面，相当于地球上每个人各拥有约14杯。
But Britain has links with Cosmonaut Gagarin, as one of the first countries he visited after his return to Earth.
加加林返回地球后第一个访问的国家是英国，英国与加加林的渊源便起于此。
Armstrong signed the flight plan sheet and gave it to the head of NASA's public information office while he was quarantined at the Johnson Space Center after returning to Earth.
阿姆斯壮在返回地球后，在詹森太空中心被隔离时，签署了这份飞行计划表，交给太空总署新闻办公室的主管。
It sounds like something out of a movie, but that's what it came down to as Apollo 11 sped back towards Earth after landing on the moon in 1969.
这件事听起来像发生在电影里，但是这确是阿波罗11号于1969年在月球登陆后赶回地球时所发生的事情。
Others say that after 2012, the Earth will experience a period of terrible destruction followed by a new age of peace and enlightenment.
另一些人说， 2012年后，地球将遭受到可怕的破坏，这段时间过去之后，一个崭新的和平与启蒙的时代将会开始。
But that gas escapes from Earth into space shortly after the gas's formation, Shull said.
但这些气体产生后立刻就逃离地球进入太空了。
The spacecraft will return to Earth after two docking operations.
神舟八号将在完成两次对接任务后返回地球。
‘Yes,’Seru answered.‘Adai is coming to the prison after he arrives on Earth.’
“是的，”塞鲁说，“阿岱降落在地球上之后就会到这座监狱来的。”
Pieces of the lander were removed and returned to Earth after spendingtwo years on the lunar surface. (NASA)
“勘测者3号”在月球表面工作两年时间以后，其零部件被拆卸，然后运回了地球。
Minutes earlier, the Russian capsule had backed away from the space station, carrying Nespoli and two other station residents back to Earth after a five-month stay.
在这之前的几分钟，俄国的密封舱已经从太空站脱离出来，运载着经过5个月太空生活的内斯波利和其他两名空间站的居住者，准备返回地球。
A Friend of the Earth is someone who looks after the environment.
一位地球的朋友是某人谁是照顾环境的人。
Zoroastrians believe the body is impure and shouldn't pollute the earth after death through burial or cremation.
拜火教认为身体是不纯洁的，不应该在死后经过埋葬或火葬来污染大地。
And they found that after circling the Earth some 5000 times the gyroscopes' Angle of spin had changed, ever-so-slightly, in response to the Earth's gravitational pull.
他们发现在围绕着地球旋转了大约5000次之后，作为对地球引力的响应，陀螺仪的旋转角发生了极其微小的改变。
It will eventually fall to the earth after a few years.
几年之后，尘埃将最终漂落在地球上。
All the gravity of all the mass in the cosmos should have been pulling the universe back inward, just as gravity pulls a ball back down to Earth after it's been thrown into the air.
宇宙中每一物体的每个引力都会对宇宙产生一个指向物体本身的拉力，就像在重力作用下，抛向空中的球会被拉回地面。
He says God wants us to look after the earth, and touts his own use of a flex-fuel car.
他说上帝要我们照看好地球，并宣扬他自己对混合燃料汽车的使用。
He says God wants us to look after the earth, and touts his own use of a flex-fuel car.
他说上帝要我们照看好地球，并宣扬他自己对混合燃料汽车的使用。
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