雅思写作常用词汇：生态平衡
<p> <span word="ecological">ecological</span> <span word="balance">balance</span>/<span word="equilibrium">equilibrium</span></p><p> - <span word="eg">eg</span>: <span word="Animals">Animals</span> <span word="need">need</span> <span word="to">to</span> <span word="be">be</span> <span word="treated">treated</span> <span word="with">with</span> <span word="a">a</span> <span word="humane">humane</span> <span word="attitude">attitude</span> <span word="as">as</span> <span word="they">they</span> <span word="are">are</span> <span word="essential">essential</span> <span word="to">to</span> <span word="the">the</span> <span word="ecological">ecological</span> <span word="balance">balance</span>.;</p><p> <span word="alternative">alternative</span> <span word="method">method</span></p><p> - <span word="eg">eg</span>: <span word="Computer">Computer</span> <span word="stimulation">stimulation</span> <span word="is">is</span> <span word="a">a</span> <span word="great">great</span> <span word="alternative">alternative</span> <span word="method">method</span> <span word="of">of</span> <span word="animal">animal</span> <span word="testing">testing</span>.。</p><p> </p>
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