adjective, verb, particle · being integrated, centralized, or consistent in form or purpose

公司所有的员工都穿着统一的制服。

verb, directional, punctuation · to bring together into a single unit, whole, or system; to integrate

秦始皇统一了度量衡。

adjective · 7-Eleven (convenience store chain)

我去统一买了一瓶水。