Reference My former employer provided me with a very good reference.

我以前的雇主给我写了一封很好的介绍信。

youdao

A very good reference for people interested in applied cryptography.

一个非常好的参考感兴趣的人应用密码学。

youdao

Lyrics show source, multimedia programming written in easy language. A very good reference.

说明：歌词秀源码，易语言写的多媒体编程。很好的参考。

youdao

"He was young and I had a very good time drawing his picture because I used a lot of reference material that were paintings made of him at different times in his life.

VOA: special.2009.02.27