There are signs of life everywhere. They also searched for traces of life , but the results were inconclusive. Because they are signs of life . But we still have the responsibility to leave what traces of life we can. Combinations with other parts of speech
Laughter is a sign of life . There is loss of any human scale, with no traces of life left .”. We have the capability to find signs of life elsewhere, but nature has to deliver.”. 同时也缘于生命的 化学痕迹 在不涉及生物体的反应中很难加以区分。 It can also be challenging to distinguish chemical traces of life from reactions that do not involve living organisms. The rover will travel across the surface of Mars, looking for signs of life . 目前有很多关于更古老的化石或生命的 化学痕迹 的说法,其中有些可以追溯到40亿年前。 There are many claims of older fossils or chemical traces of life , some dating to over 4 billion years ago. 从地球的一极到另一极,只有一件事物展现了些许生命的痕迹 。 From one pole to the other, only one thing showed any signs of life . 甲烷是一种能够由微生物和地质现象发作的元素,所以还不清楚这是否是生命的痕迹 。 Methane is an element that can be produced by microbes, as well as geological phenomena, so it's unclear if that's a sign of life . 那就是美国宇航局(NASA)科学家吉尔伯特·莱文称,在40多年前,火星上就发现了生命的痕迹 。 Former NASA employee Gilbert Levin said that more than 40 years ago, traces of life were discovered by scientists on Mars. 在这些行星上寻找生命的痕迹时,最重要的一点就是判断什么才是生命的痕迹 ,也就是生命特征。 A key part in searching for signs of life on these planets will be to determine what exactly is a sign of life , or biosignature. 这归结于地球的动态过程,岩石被不断地搅动和回收,因此生命的痕迹 会被消除。 This is due to the dynamic process of the earth, where the rocks are constantly agitated and recycled, so traces of life are eliminated. 向火星派遣宇航员将使人类有更好的机会在火星上寻找生命的痕迹 。 Sending astronauts there will give man better opportunities to look for traces of life on Mars. 二十年来,除了一些退化的植物外,我们没有发现任何生命的痕迹 。 In twenty years we had found no trace of life but a few degenerate plants. Everywhere there are signs of life . I looked about me to see if any traces of animal life remained. When the fog cleared, there was no sign of any struggle, or of life . 在行星一上,他看到了大片水面、大量树木、山脉以及少量生命的痕迹 。 On the first, he sees lots of water and trees and mountains and some little signs of animal life . 如果你想找到火星生命,必须要先摆脱地球生命的痕迹 ,才能看到它们。 If you want to find Mars life, you have to get rid of the signals of Earth life so that you can see it.". 但不论怎样,这些作品都是我生命的一部分,是我生命的痕迹 ,是我记录的世界。 But whatever, they are parts of my life, the traces of my life , my record of the world. 几十年来,科学家们一直在谈论亲手研究火星岩石从而寻找过去生命的痕迹 。 Scientists have talked for decades about getting their hands on Martian rocks to look for signs of past life . 问题是,尽管动植物留下了丰富的化石,但前寒武纪岩石几乎没有早期生命的痕迹 。 The problem is that although animals and plants have left abundant fossils, Precambrian rocks contain almost no traces of earlier life . 地质用品店】问题是,虽然动物和植物留下了大量的化石,但前寒武纪的岩石几乎没有早期生命的痕迹 。 The problem is that although animals and plants have left abundant fossils, Precambrian rocks contain almost no traces of earlier life . 这个拾取失败证明斯特拉盖拉星球上没有一点动物生命的 痕迹,至少。 This pickup failure proves there isn't a vestige of animal life on Stragella- on this hemisphere of the planet, at least.".
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