Will you cover for me at the telephone switchboard while I run out to post a letter?

你可否在电话交换台那儿暂且替我应付一下？我跑出去寄一封信。

youdao

A little before six o 'clock in the morning he had arrived at M. Sur m., and his first care had been to post a letter to M. Laffitte, then to enter the infirmary and see Fantine.

不到早晨六点，他便到了滨海蒙特勒伊，他第一桩事便是把寄给拉菲特先生的信送到邮局，再到疗养室去看芳汀。

youdao

Remember his address. Don't make a mistake when you post a letter to him.

记住他的地址，不要在寄信时把地址写错。

youdao

But the Department for Work and Pensions has since said pensioners can return unwanted winter fuel payments via post, with a covering letter, or by calling its benefits hotline.

BBC: Duncan Smith 'relaxed' over well-off pensioner paybacks

The post - which included a rejection letter for a job application - has finally been delivered to homes in the Cardiff suburb of Radyr.

BBC: NEWS | UK | Wales | Christmas mail dumped in woods

The post's days as a letter-carrying service are numbered.

ECONOMIST: America��s postal service will begin to undo itself