邀请信 (yāo qǐng xìn) — letter of invitation, invitation letter

뜻

예문

• 我收到了一封邀请信。
  Wǒ shōu dào le yì fēng yāo qǐng xìn.
  I received an invitation letter.
• 请把这份邀请信发给她。
  Qǐng bǎ zhè fèn yāo qǐng xìn fā gěi tā.
  Please send this invitation letter to her.
• 他的邀请信写得很正式。
  Tā de yāo qǐng xìn xiě dé hěn zhèng shì.
  His invitation letter was written very formally.