英语导读1000句（六十四）
<p> <span word="Section">Section</span> 64 <span word="Under">Under</span> <span word="the">the</span> <span word="Sea">Sea</span></p><p> <span word="Perhaps">Perhaps</span> <span word="the">the</span> <span word="most">most</span> <span word="unexplored">unexplored</span> <span word="area">area</span> <span word="on">on</span> <span word="this">this</span> <span word="planet">planet</span> <span word="is">is</span> <span word="under">under</span> <span word="the">the</span> <span word="sea">sea</span>.在这颗星球上，尚未被大规模开发过的地区也许只有海底。</p><p> <span word="Today">Today</span> <span word="there">there</span> <span word="are">are</span> <span word="large">large</span> <span word="areas">areas</span> <span word="which">which</span> <span word="we">we</span> <span word="have">have</span> <span word="never">never</span> <span word="been">been</span> <span word="to">to</span>.至今，仍有许多我们从未到过的地方。</p><p> <span word="They">They</span> <span word="are">are</span> <span word="too">too</span> <span word="deep">deep</span> <span word="for">for</span> <span word="us">us</span> <span word="to">to</span> <span word="examine">examine</span> <span word="in">in</span> <span word="detail">detail</span>.它们太深了，我们无法探个究竟。</p><p> <span word="Although">Although</span> <span word="we">we</span> <span word="do">do</span> <span word="have">have</span> <span word="commercial">commercial</span> <span word="exploration">exploration</span> <span word="of">of</span> <span word="the">the</span> <span word="sea">sea</span> <span word="bed">bed</span>, <span word="it">it</span> <span word="is">is</span> <span word="still">still</span> <span word="unknown">unknown</span>.尽管我们对海床做过商业性的探索，它仍然是个未知数。</p><p> <span word="The">The</span> <span word="marine">marine</span> <span word="life">life</span> <span word="of">of</span> <span word="the">the</span> <span word="upper">upper</span> <span word="and">and</span> <span word="middle">middle</span> <span word="waters">waters</span> <span word="are">are</span> <span word="fairly">fairly</span> <span word="well">well</span> <span word="recorded">recorded</span>.上层和中层水面的海洋生物几乎已经完整地被记录过。</p><p> <span word="However">However</span>, <span word="the">the</span> <span word="deep">deep</span> <span word="sea">sea</span> <span word="environment">environment</span> <span word="can">can</span> <span word="still">still</span> <span word="reveal">reveal</span> <span word="many">many</span> <span word="secrets">secrets</span>.然而，深海的环境也许能揭示更多的秘密。</p><p> <span word="To">To</span> <span word="explore">explore</span> <span word="these">these</span> <span word="areas">areas</span> <span word="is">is</span> <span word="difficult">difficult</span> <span word="because">because</span> <span word="of">of</span> <span word="the">the</span> <span word="great">great</span> <span word="pressure">pressure</span> <span word="deep">deep</span> <span word="down">down</span>.由于海底的巨大压力，要开发这些地方有困难。</p><p> <span word="We">We</span> <span word="can">can</span> <span word="not">not</span> <span word="build">build</span> <span word="the">the</span> <span word="right">right</span> <span word="machines">machines</span> <span word="that">that</span> <span word="can">can</span> <span word="sustain">sustain</span> <span word="life">life</span> <span word="at">at</span> <span word="the">the</span> <span word="very">very</span> <span word="bottom">bottom</span>.我们还无法制造出一台能够在深海维持生活的机器。</p><p> <span word="When">When</span> <span word="we">we</span> <span word="are">are</span> <span word="able">able</span> <span word="to">to</span> <span word="do">do</span> <span word="so">so</span>, <span word="we">we</span> <span word="will">will</span> <span word="discover">discover</span> <span word="a">a</span> <span word="whole">whole</span> <span word="new">new</span> <span word="world">world</span> <span word="of">of</span> <span word="marine">marine</span> <span word="matter">matter</span>.如果这能实现，我们将发现一个全新的海洋世界。</p><p> <span word="The">The</span> <span word="sea">sea</span> <span word="is">is</span> <span word="a">a</span> <span word="source">source</span> <span word="of">of</span> <span word="food">food</span> <span word="for">for</span> <span word="many">many</span> <span word="people">people</span> <span word="and">and</span> <span word="a">a</span> <span word="source">source</span> <span word="of">of</span> <span word="income">income</span>.对于许多人来说，海洋是他们食物和收入的来源。</p>
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