英语散文：The Living Seas(富有生命的海洋)
The Living Seas
The ocean covers three quarters of the earth's surface, produces 90 percentof allits life-supporting oxygen, and is the driving force behind the entireweather system. There are over 450 million cubic miles of a water on theearth; and each cubic mile contains over 150 million tons of minerals.
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So vast and so pervasive is the a that if the earth's crust were made level,ocean water would form a blanket over 8,000 feet deep.
The oceans contribute immeasurably to the earth's life support system aswell as provide an untapped storehou of food, minerals, energy, and ar-chaeological treasureAdvanced atmospheric diving suits permit rearchers to descend to depthsof l,500 feet. Yet the ocean's average depth is greater than 12,000 feet. It is atthe depths that remarkable discoveries are being made, discoveries whichonly a short time ago would have been impossible.
In that depth, where darkness is absolute and pressure exceeds eight tons persquare inch, robotic submersibles have discovered enormous gorges, fourtimes deeper than the Grand Canyon Here, too,
are volcanoes that vastlyoutnumber tho on land. Landslides the size of Rhode Island have beenrecorded, as well as raging undera storms that go completely unnoticed oitthe surface while dramatically rearranging the underwater landscapes.
landscapes
And under the as the largest single geological feature on earth hasbeen found-a mountain range that dwarfs the Himalayas. It's a range thatcovers nearly one quarter of the earth's surface.
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All the discoveries have come from the exploration ofless than one-tenthof this undera mountain range.
The earth is the only planet we know that has an ocean. The ocean is tlielargest feature on earth. Yet it's the one feature we know the least about. Weknow more about the moon 240,000 miles away than we know about thethree-fourths of the earth covered with water. Man has t foot on the moon,but not on the most remote part of the earth, 35,000 feet under the a.
Technology is changing all that. It's literally parting the waves for today'sundera explorers. And it's bringing about the opportunity to transformvision, curiosity and wonder into practical knowledge.
Properly managed as a tool to rve society, technology is the best hopefor overcoming economic a
nd social problems facing people everywhere. Italways has been. The earliest relics of human life are tools. And our ancientancestors ud the tools to understand and change the world around themand make it better. The same is true today.
The deep a is the last frontier left to explore.
排放英语富有生命的海洋
海洋占地球表面四分之三。地球上维持生命的氧气，90%产生于海洋，整个天气体系变化的动力也是海洋。地球上的海水超过4亿5千万立
方英里，每立方英里含有的矿物超过1亿5千万吨。
核弹 英文海洋如此广大浩翰，如此分布辽阔，地球表层如果使之平整起来，那
么海水能够形成深8，000多英尺的覆盖层。
海洋对地球上的维持生命系统做出了不可估量的贡献，同时又是一座
尚未打开的宝库，储有食物、矿物、能源和具有很大考古价值的东西。
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2015上海高考数学先进的常压潜水衣能够使研究人员下沉到1，500英尺的深度。但海
ooi洋的平均深度超过12，000英尺。现在正是在这个深度才发现了惊人
breakeven的情况，这些发现在不久以前是不可能办到的。
这个深度的海中完全是漆黑一片，每平方英寸的压力超过8吨，潜水
机器人在这里发现了巨大的峡谷，比美国科罗拉多大峡谷深3倍。这
里火山之多，大大超过陆地上的火山，也曾有过规模大到和罗得岛一
样的山崩，还有猛烈的海底风暴，这种风暴在海面上一点也觉察不到，却剧烈地改变着水下的景观。，就在这些海洋中发现了地球上惟一的
地质构成——一条使喜马拉雅相形见绌的大山脉，这条山脉覆盖了地
球表面几乎四分之一。
上述那些发现都是来自探索这条水下山脉不到十分之一的地区所见到的。
地球是我们所知有海洋存有的行星。海洋是地球构成的部分，而正是
这部分我们知道得最少，这个覆盖地球四分之三的水域我们所知的情
况还不如我们对远离地球24万英里的月球所知道的多。
人类已涉足月球，但对海面以下3万5千英尺地球最深邃的地方却从
complicated heart
未涉足过。
技术正在改变这个切，它正在劈波斩浪为今日的水下探索者开路。它
正在创造机会使幻想、求知欲和高深莫测的事情转化成实实在在的知识。
