Some used a form of picture writing called hieroglyphics.

一些族群使用图形进行书写被称作象形文字。

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

这个词是由日文字符组成的，意思是图片书写。

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

他给这幅画签了名，把他的名字写在了施洗者圣约翰的血泊中。

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

波浪形的图画文字——象形文字——对每个人来说都是一个谜。