名词
中文翻译：指纹
同义词：
['print', 'impression', 'trace', 'ridge', 'mark']
例句：
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1. The police are using fingerprints to identify the suspect.
警方正在使用指纹来识别嫌疑人。
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2. The fingerprints on the door were unique enough to identify the thief.
门上的指纹足够独特，足以识别小偷。
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3. The fingerprint scanner is used to verify identity at airport checkpoints.
指纹扫描器用于机场检查点验证身份。