专四考试常见词辨析：发现
<p> <span word="discover">discover</span>, <span word="find">find</span>, <span word="detect">detect</span>, <span word="ascertain">ascertain</span></p><p> 这些动词均有发现之意。</p><p> <span word="discover">discover</span> : 普通用词，指发现本来存在，但示被认识的事物、真理或情况。</p><p> <span word="Recently">Recently</span> <span word="they">they</span> <span word="have">have</span> <span word="discovered">discovered</span> <span word="a">a</span> <span word="comet">comet</span>.</p><p> <span word="find">find</span> : 普通用词，可指偶然发现，也可指经过寻找后得到或重新获得已失去的东西。强调动作的结果。</p><p> <span word="I">I</span> <span word="have">have</span> <span word="found">found</span> <span word="the">the</span> <span word="lost">lost</span> <span word="book">book</span>.</p><p> <span word="detect">detect</span> : 正式用词，强调经过周密观察或研究而有所获得和发现，尤指发现有意隐藏之物。</p><p> <span word="The">The</span> <span word="sensors">sensors</span> <span word="can">can</span> <span word="also">also</span> <span word="detect">detect</span> <span word="the">the</span> <span word="presence">presence</span> <span word="of">of</span> <span word="nuclear">nuclear</span>, <span word="chemical">chemical</span> <span word="or">or</span> <span word="biological">biological</span> <span word="agents">agents</span>.</p><p> </p>
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