[, ]the process of showing, proving or recognizing who or what sb/sth is鉴定；辨认◆Each part has a number for easy identification.每一部分都有号码以便识别。◆an identification number识别号码 [] official papers or a document that can prove who you are身份证明◆Can I see some identification, please?请给我看看你的身份证件可以吗？➡ID noun