n.提醒物；提示；催單

This has been a timely reminder of the need for constant care. 這件事適時(shí)地提醒我們要時(shí)時(shí)謹(jǐn)慎。

She placed it in the drawer as a reminder of her resolve. 她將它放在抽屜里,以此來不斷提醒自己下的決心。

I've got another reminder from the library. 我又收到圖書館催促還書的信函。

n.提醒，催函，催款單（reminder的復(fù)數(shù)形式）