这条信息是用不褪色的墨水写的。

The message was written in indelible ink.

《柯林斯英汉双解大词典》

起初，没有纸、笔、墨水，人们用雕刻的方法记载信息。

In the beginning, there was no nor pen, nor ink. People recorded information by carving.

youdao

起初，没有纸、笔、墨水，人们用雕刻的方法记载信息。

In the beginning, there was no nor pen, nor ink. People recorded information by carving.

youdao