The answer may be that virtually all the water on Mars is now locked in the permafrost layer under the surface, with more contained in the planet's polar caps.
答案可能是，现在火星上几乎所有的水都被锁在地表下的永久冻土层中，更多的水被包含在这个星球的极地冰帽中。
They patiently take care of the young whales just under the surface of the water, waiting for the feeding mothers to return.
它们耐心地在水面下照顾幼鲸，等待哺乳期的母鲸回来。
Geologists think that this fluidized ejecta crater indicates that a layer of permafrost, or water ice, lies just a few meters under the surface.
地质学家认为，这个具有流体化喷出物的陨石坑表明，在地表下几米深处有一层永久冻土层或水冰。
It soaks up the tensions and flaws and currents that pull under the surface.
它吸满了暗藏于表面之下的紧张、裂痕和浪涌。
Samuels says he will be looking "under the surface" at financial earnings.
塞缪尔说，他不会被金融业盈利的表象所迷惑。
They think that the oil under the surface of the earth originated in the distant past .
他们认为地下的石油在远古时期就开始形成。
Grumbling to himself, he slid back under the surface, leaving only gurgling bubbles behind.
它满腹怨言的喃喃抱怨着，缓缓的消失在水面下，只留下了一堆汩汩做响的泡沫。
I have also heard about underground tunnel system that run in mazes under the surface of the planet.
我也已听说过在行星表面之下迷宫穿行的地下隧道系统。
Precambrian rocks are described as "basement rocks" because they are usually buried deep under the surface.
前寒武纪岩石被称为基岩，因为它们通常深埋于地表之下。
Under the surface of pastoral song, there is a lament of cultural impulse sung for the lost ancient culture.
在田园牧歌的表象之下，是京派为失落的古老文明唱一曲挽歌的文化冲动。
His idea involves farming algae out at sea and then digesting it in thousands of "giant stomachs" under the surface.
他的想法牵扯到在海上养植藻类，然后令其在水面下成千上万的“巨胃”中消化。
Yet their chutzpah hides weaknesses that may be exposed in due course. Opposition is bubbling away under the surface.
但是他们的肆无忌惮中隐藏的弱点迟早会暴露，反对派正在虎视眈眈。
Many people say they don't just disappear. They continue to exist under the surface and may come out in other forms.
很多人认为它们不会悄然消失，它们会继续存在于表面之下并以别的形式表现出来。
The dialogue really happens but may be happens under the surface with a language that all of us are speaking. That is art.
这些对话真的有发生，但可能是在我们交谈的语言表面下发生，那就是艺术。
However, if there were things festering under the surface of your relationship, those eclipses were to bring them to light.
然而，如果这份关系内部已经糜烂不堪，蚀将使它们曝光。
If you're holding the arm out front, try to stabilize the arm just under the surface, and focus on sending the fingers forward.
如果你将手臂放前面，试图稳定的将手臂控制在水面下，注重把手指往前送。
They think that the oil under the surface of the earth originated in the distant past, and was formed from living things in the sea.
他们认为，处于地表下的油起源于远古，并是由海洋生物形成的。
But some genius theories that as soon that was a lot of water right under the surface, that somehow is causing the gullies to form.
但一些天才的理论是水存在于火星表面下，以某种方法形成了峡谷。
That is why it is much easier to float when we are completely under the surface, head and all, than if we try to keep our heads out. (4)
这是我们将头和全身完全钻进水中进行漂浮，比我们试图把头保持在水面上作漂浮，要容易得多的原因。
The divers began preparations at dawn and soon afterwards, when all was ready, the steel ball disappeared under the surface of the water.
天刚破晓，潜水员们就开始准备，不久，一切准备就绪，钢球就在水面上消失了。
When thick magma and large amounts of gas build up under the surface, eruptions can be explosive, expelling lava, rocks and ash into the air.
当厚厚的岩浆和气体大量在地表下聚集起来，就会出现爆炸性喷发，将熔岩，岩石和火山灰喷向空中。
Growing to about a foot (30 centimeters) long, blind snakes act a lot like worms, burrowing under the surface of every continent except Antarctica.
除了南极洲，在地球上的其他各大洲都可以见到盲蛇。 它们钻入土壤中，就像一条蠕虫一样，而它们的身长也只能达到一英尺（30厘米）。
Growing to about a foot (30 centimeters) long, blind snakes act a lot like worms, burrowing under the surface of every continent except Antarctica.
除了南极洲，在地球上的其他各大洲都可以见到盲蛇。 它们钻入土壤中，就像一条蠕虫一样，而它们的身长也只能达到一英尺（30厘米）。
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