confirmation

n. /ˌkɑːnfərˈmeɪʃn/ B1

确认；证实；证明

A statement or document proving that something is definite.

仙境例句

The Duchess sent confirmation that she would come at five, so the Rabbit ran even faster.

公爵夫人来信确认她五点到，所以白兔跑得更快了。