fingerprint

指纹

Police found a clear fingerprint on the broken window.

警方在破掉的窗户上找到一枚清晰的指纹。

特征、识别标记

Every virus leaves a chemical fingerprint scientists can trace.

每种病毒都会留下科学家可以追查的化学特征。

采指纹、按指纹

All new employees are fingerprinted before they start work.

所有新进员工在上工前都要采指纹。