（每日一词）cogent

cogent adjective

UK   /ˈkəʊ.dʒənt/       

US   /ˈkoʊ.dʒənt/ formal

meaning:

A cogent argument, reason, etc.is clearly expressed and persuades people to believe it.

词汇助记：

前缀：co- 共同（co-worker)

词根：ag- 做（agent)

后缀：-ent 形容词后缀（different)

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