英国利兹大学就读地球表面科学（Earth Surface Science）专业将获得研究型硕士学位，要就读利兹大学业需要雅思或托福成绩，要求雅思成绩总分为6，要求托福成绩总分为83，申请该专业就读需...
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为了调和这两个事实，科学家们假设，几乎所有产生的氧气都被地球表面的铁吸收了。
As a way of reconciling these two facts, scientists have hypothesized that nearly all of the oxygen being produced was taken up by iron on Earth's surface.
基本的原理我们都很清楚，并可以在一分钟内给一个不是科学家的好奇者解释完毕（就像这样：温室气体可以让阳光直接穿透到地球表面，地表受热就会升温，于是就会散发红外辐射，辐射能量被大气吸收，大气就被加热了。
We understand the basic physics just fine, and can explain it in a minute to a curious non-scientist.
科学家们对火星表面的了解甚于他们对地球表面的了解，这句话听上去难免觉得有些老套，但也是事实。
It is a truism that scientists know more about the surface of Mars than they do about the surface of the Earth, but it is also true.
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