fingerprint

• 手指留下的印痕，常用于身份识别；也泛指任何独特的识别特征。

A noun referring to an impression of the ridges on a fingertip, often used for identification purposes, or more generally any unique identifying characteristic.

1. Biometric identifierB1formal

   An impression of the unique pattern of ridges on the skin of a fingertip, used for identification, especially in forensic science.

   指纹

   • The detective found a clear fingerprint on the glass.
   • Police use fingerprint databases to identify suspects.
   • Modern smartphones can be unlocked with a fingerprint scan.

   同义词printthumbprint

2. Identifying characteristicB2formal

   A distinctive feature or mark that uniquely identifies something or someone.

   独特标识

   • The artist's style is a unique fingerprint of his work.
   • Each species has a genetic fingerprint.
   • The software creates a digital fingerprint of the file.

   同义词earmarkhallmarkimprintmarkersignaturestamptrademark

3. Dirty smudgeA2informal

   A mark or smudge left on a surface by a dirty finger.

   指纹印

   • There were greasy fingerprints all over the window.
   • She wiped the fingerprints off the mirror.
   • The child left sticky fingerprints on the table.

   同义词blotmarksmearsmudgestain

• 动词，指采集或记录某人的指纹，通常用于身份识别或安全目的。

A verb used to indicate the act of taking or recording someone's fingerprints, typically for identification or security purposes.

1. Record fingerprintsB2formal

   To take an impression of a person's fingerprints for identification or documentation purposes.

   采集指纹

   • The police officer fingerprinted the suspect at the station.
   • All applicants are fingerprinted as part of the background check.
   • They fingerprinted the victim to confirm her identity.
   • Customs officials fingerprinted all incoming travelers.

   同义词print