discover or identify the presence or existence of
发现;识别
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cancer may soon be detected in its earliest stages .癌症在最初阶段有可能被很快发现。
discover or investigate (a crime or its perpetrators)
查明;调查(罪行,罪犯)
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the public can help the police to detect crime .公众可以帮助警察对犯罪进行调查。
discern (something intangible or barely perceptible)
察觉(细微或不易察觉的东西)
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Paul detected a faint note of weariness in his father's voice .保罗察觉到他父亲说话声里带有一丝倦意。
"late Middle English: from Latin