英语语法分析

A petroglyph emerges from the Sahara Desert.

这是撒哈拉大沙漠里的一块岩石画。

Petroglyph is a modelling art, which has its own laws and artistic features.

岩画是造型艺术，岩画的造型有其深在的规律性和艺术特点。

Many Russia scholars believe ochre petroglyph were at the same age as slab-stone tombs'.

俄罗斯学者普遍认为赭石岩画与石板墓的年代相当。