Some used a form of picture writing called hieroglyphics.

一些族群形进行书写被称作象形文。

The word is made of the Japanese characters for picture writing.

这个词是由日文符组成，意是片书写。

Caravaggio has signed this picture, writing his name in the blood of John the Baptist.

他给这幅画签了，把他写在了施洗者圣约翰血泊中。

The squiggly picture writing—hieroglyphs—was a mystery to everyone.

波浪形画文——象形文——对每个人来说都是一个谜。