Thee Great Wall was made of earth first and rebuilt with bricks during the Ming Dynasty, which is what we see now.
长城原来是用土修筑起来的。到了明代才改建了砖石结构。就是我们现在看到的这样。 。
Clarke doesn't believe this report will drastically alter the strategy in the search for extraterrestrial life, but agrees that understanding Earth first Narrows the target.
克拉克并不认为研究人员会一直选这个方法在外太空搜寻生命，但他同意先了解地球的情况缩小了搜寻范围。
That's nearly two and a half times around Earth! For the first time, Coca Cola has shown that it uses 3,000,000 tons of plastic bottles each year.
这差不多是地球的2.5倍！这是第一次可口可乐公司表示它每年使用300万吨塑料瓶。
Although not the first brand to claim its advert can be viewed on Google Earth, the KFC logo is certainly one of the most ambitious.
虽然肯德基不是第一个声称能在谷歌地图上看到其广告的品牌，但它的商标无疑是最有野心的一个。
Organized by the New York-based nonprofit Earth Pledge, the show inspired many top designers to work with sustainable fabrics for the first time .
该展览由纽约非营利性机构“地球誓言”组织，它激励了许多顶级设计师第一次使用可持续性面料。
Organized by the New York-based nonprofit Earth Pledge, the show inspired many top designers to work with sustainable fabrics for the first time.
该展览由纽约非营利性机构“地球誓言”组织，激励了许多顶级设计师首次使用可持续面料。
The first is a pair of planets, each about the mass of Jupiter, that whirl around their home star 15 light years from Earth in perfect lockstep.
第一个是一对质量与木星差不多的行星，这对行星步调一致地围绕距离地球15光年的母恒星旋转。
For the first thirty miles the red earth road wound its way through the lowland forest, the giant trees standing in solid ranks alongside and their branches entwined in an archway of leaves above us.
在最初的三十英里里，红土路蜿蜒穿过低地森林，高大的树木整齐地排列在我们的两旁，它们的枝桠在我们头顶上交错成一个树叶拱门。
At first, the gugin had only five strings, representing the five elements of metal, wood, water, fire and earth.
起初，古琴只有五根弦，代表金、木、水、火、土五种元素。
In 1992, the first UN Earth Summit was held in Rio de Janeiro.
1992年，第一届联合国地球峰会在里约热内卢举行。
It's a pleasure to meet you, the first-known trans-galactic visitor to Earth.
很高兴见到你，第一个已知的穿越银河系来到地球的旅行者。
Some scientists believe that the first plants to appear on Earth over 500 million years ago probably looked purple, not green.
一些科学家认为，5亿年前出现在地球上的第一批植物可能看起来是紫色的，而不是绿色的。
It's China's first probe to land on a planet other than Earth.
这是中国首个在地球以外的星球着陆的探测器。
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。
They would rise up from the earth and many other animals would also make their first appearance of the year.
它们会冒地而出，许多其他的动物也会在这一年里首次出现。
First, a climate conducive to life on Earth depends upon the extraordinarily narrow orbital parameters that define a continuously habitable zone where water can exist in a liquid state.
首先，地球上适宜生命存在的气候取决于极其狭窄的轨道参数，这些参数定义了一个持续可居住的地带，在那里水可以以液态存在。
The success has also made Chang'e-5 the first spacecraft to bring back samples from the moon since 1976 when a Russian spaceship brought back 170.1 grams of samples to the earth.
这一成功也使嫦娥五号成为自1976年俄罗斯飞船将170.1克样本带回地球以来，第一个从月球带回样本的航天器。
Because the moon's body blocks direct radio communication with a probe, China first had to put a satellite in orbit above the moon in a spot where it could send signals to the spacecraft and to Earth.
由于月球阻碍了与探测器的直接无线电通信，中国首先必须把一颗人造卫星送入月球轨道上的一个点，人造卫星可以从那里向航天器和地球发射信号。
In an address on the eve of Earth Day, Mr. Bloomberg presented the first update to PlaNYC, which calls for such revisions every four years.
在世界地球日前夕的一次演讲中，布隆·伯格先生介绍了“规划纽约”计划的第一份修正案，该计划需要每四年修订一次。
Images of the burning Cuyahoga shocked anation, and it led one Wisconsin Senator the following year to organizethe first Earth Day to call attention to the dangers of ignoring ourenvironment.
燃烧的凯霍加画面震惊了整个美国，而且致使美国威斯康星州一位参议员翌年举办了第一个地球日呼吁关注无视环境的危险。
The atmosphere of a "super Earth" has been analyzed for the first time—and it ain't pretty.
人类分析这个”超级地球”的大气成分还是首次——分析的还不完美。
Friends of the Earth was founded in the same year that man first walked on the Moon. The inaugural Earth Day happened a year later.
地球之友创立于人类首次漫步月球的那一年，首届地球日诞生于一年以后。
For example, if a rover on Mars needs to send data to Earth, it would first need to store the data until it was within range of an orbiting satellite.
如果有个漫游机器人在火星表面有信息传回地球，机器人会先将数据保存起来，等到卫星绕到了可以接收信号的轨道范围再发送出去；
It would take the first pictures of Earth-like planets.
它要拍摄第一批类地行星的图片。
The old wealth-is-bad IPAT theory may have made intuitive sense, but it didn’t jibe with the data that has been analyzed since that first Earth Day.
古老的气候是基于非良性的IPAT理论，其可能已经做出指导性的意见，但是没有涉及到自第一个地球日以来的数据。
This famous \"Blue Marble\" shot represents the first photograph in which Earth is in full view.
这张著名的“蓝色大理石”照片是地球全景的第一张照片。
P-waves are sometimes known as primary waves, because they travel faster through the Earth and so are the first to arrive at monitoring stations.
P波有时被看作纵波，因为它们以更快的传递速度穿越地球内部，因此最先被地震监测站台发现。
P-waves are sometimes known as primary waves, because they travel faster through the Earth and so are the first to arrive at monitoring stations.
P波有时被看作纵波，因为它们以更快的传递速度穿越地球内部，因此最先被地震监测站台发现。
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