一封

• She dashed off a letter to her mother .
  她给母亲匆匆写了一封信。
• I received a sugar report this morning .
  今早我收到了一封情书。
• I want to send this letter by registered air-mail .
  我想寄一封航空挂号信。
• I shall write to you again at the end of the month .
  我月底给你再写一封信。
• You were up for a letter of commendation .
  有一封你的保举信。
• I received a gracious letter of acknowledgement ..
  我收到一封有礼貌的感谢信。
• A good countenance is a letter of recommendation .
  一副善良的相貌是一封推荐书。
• I received your last in june .
  我在六月收到你最后一封信。
• He had one of his most essential letters to write .
  他还有一封十分紧急的信要写。
• He expedited a letter to the duke .
  他给公爵发了一封信。