FAQs About the word open letter

公开信

a letter of protest; addressed to one person but intended for the general public

书信,卡,派发,电子邮件,书信,废邮件,信,邮件,备忘录,备忘录

No antonyms found.

open interval => 开区间, open house => 开放日, open frame => 开放框架, open fracture => 开放性骨折, open fireplace => 壁炉,