identity的单复数就是identities，表示身份、本身、本体、特征、特有的感觉、同一性、相同、一致等等意思。

例句：This allows the two cultures to intermingle without losing their separate identities.

这使得两种文化能相互融合，却又不失其个性。

Please note the identities in the two cases.

注意这两个案子的相同之处。

The planners decided to preserve their distinct identities.

设计者们决定保留他们各自的特色。

Professions, identities and social roles are shaken from the solid foundations.

职业、身份和社会角色的稳固根基被撼动了。

Some names have been changed to protect identities.

为了保护真实身份，文内一些人名进行了更改。