I'm just going to go mail a letter.

我正要去寄一封信。

《柯林斯英汉双解大词典》

I'll mail a letter to U. S. A. by airmail.

我要寄一封航空信到美国。

youdao

Is there a letter from them in the mail ?

邮件里有他们来的信吗？

《牛津词典》

But members of the Digital Due Process Coalition say sending an e-mail should be no different from mailing a letter that is protected by law from being opened.

VOA: standard.2010.06.22

Most people wouldn't ever mail a letter or get a letter--too expensive, not to count only the paper and everything was expensive.

大多数人可能从未寄过信,或是收过信，因为太贵了，不单单是纸贵,什么东西都贵。

耶鲁公开课 - 金融市场课程节选

.. In 1799, it would cost so much to mail a letter-- I don't know exactly, something like $10 or $20 to mail a letter at today's rate-- and it would take a long time get there.

在1799年，寄封信需要花费-,我也不清楚具体的数字,大概相当于现在的10到20块钱-,而且还要花很久才能送达。

耶鲁公开课 - 金融市场课程节选

There was a time when it was hard to enter a NYC taxicab or men's room, or to open a mailbox to mail a letter, without confronting a sticker hawking Henry's latest effort.

WSJ: Hollywood Moments

She was able to quantify her following by the number of newspapers who bought her columns -- and by how many readers spent money on a stamp to mail her a letter.

CNN: STORY HIGHLIGHTS

AstraZeneca (nyse: AZN - news - people ) just received a walloping piece of good mail: a letter from the U.S. Food and Drug Administration saying that its new cholesterol drug, Crestor, is approvable.

FORBES: Magazine Article