科学家发现水分子其实有两种类型
<p><span word="Scientists">Scientists</span> <span word="have">have</span> <span word="isolated">isolated</span> <span word="the">the</span> <span word="two">two</span> <span word="different">different</span> <span word="forms">forms</span> <span word="of">of</span> <span word="water">water</span> <span word="molecule">molecule</span> <span word="for">for</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span>.</p><p>近日，科学家们首次成功分离出两种不同形式的水分子。</p><p><span word="Water">Water</span> <span word="molecules">molecules</span> <span word="were">were</span> <span word="known">known</span> <span word="to">to</span> <span word="exist">exist</span> <span word="as">as</span> <span word="two">two</span> <span word="distinct">distinct</span> "<span word="isomers">isomers</span>", <span word="or">or</span> <span word="types">types</span>, <span word="based">based</span> <span word="on">on</span> <span word="their">their</span> <span word="slightly">slightly</span> <span word="different">different</span> <span word="properties">properties</span> <span word="at">at</span> <span word="the">the</span> <span word="atomic">atomic</span> <span word="level">level</span>.</p><p>基于原子水平上略微不同的性质，已知的水分子可以以两种不同的“异构体”类型存在。</p><p><span word="By">By</span> <span word="separating">separating</span> <span word="out">out</span> <span word="the">the</span> <span word="two">two</span> <span word="isomers">isomers</span>, <span word="researchers">researchers</span> <span word="were">were</span> <span word="able">able</span> <span word="to">to</span> <span word="show">show</span> <span word="that">that</span> <span word="they">they</span> <span word="behave">behave</span> <span word="differently">differently</span> <span word="in">in</span> <span word="the">the</span> <span word="way">way</span> <span word="that">that</span> <span word="they">they</span> <span word="undergo">undergo</span> <span word="chemical">chemical</span> <span word="reactions">reactions</span>.</p><p>通过分离出两种异构体，研究人员能够证明它们在进行化学反应时可以表现出不同的行为。</p>
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