penfriend

n.

笔友；

1. This is me some of the situations Penfriend!
   这就是我笔友的一些情况！
2. My penfriend is very kind to others.
   我的笔友对别人很友好。

Penfriend.
My Penfriend
Penfriend Wanted
Penfriend Wanted
My Alien Penfriend
A Letter to a Penfriend
PenFriend and Touch Memo: A Comparison of Labeling Tools
Penfriend – Amigos por Correspondência: Um Projeto de Incentivo à Escrita em Língua Inglesa
《牛津小学英语》6B Unit 7 A letter to a penfriend (Part A)
Intimate Strangers: Dialogue and Creativity in Penfriend Correspondence