However, two distinct groups of employees are hampered in their daily work due to old equipment.

distinct 是形容词，意思是"不同的、有区别的"，强调可以清楚区分开来的特征。这个词来自拉丁语 distinctus（分开的），由 dis-（分开）和 stinguere（刺、戳）组成，原意是"被分开刺出的标记"，引申为"明显不同的"。