中文含义：循环信函，指在同一主题或目的下，向多个收件人发送的一封信。

英语词性：noun

美式音标：[‘sɜrkjələr ‘letər]

同义词：circular, form letter, mass mailing, mass communication

易混淆单词：circular (循环的，环形的)

双语例句：

  • He sent a circular letter to all the employees informing them about the upcoming company retreat.
  • Our school regularly sends out circular letters to keep parents and guardians informed about school events and updates.