reminder
n
1 thing which reminds sb of a fact or person 使某人回想起某事或某人的事物; 帮助记忆或起提醒作用的东西
The statue is a lasting reminder of Churchill´s greatness. 这尊塑像使人永远缅怀邱吉尔的伟大功绩.
2 way of reminding sb to do sth 提醒某人做某事的方式; 提示
send, give sb a gentle reminder, eg to pay a bill 婉言提醒某人(如付帐)
The waiters were clearing the tables, which served as a reminder that it was time to leave. 服务员在收拾桌子, 提醒顾客该走了.