英语语法分析

Organic petrology is an important method for studying coal formed oil.

有机岩石学方法是研究煤成油的重要方法之一。

I want to be a mining engineer, so I ought to study petrology and engineer.

我想要当个采矿工程师，所以我应当研读岩石学及工程学。

The metamorphic petrology of eclogites from northern Dabie Mountains was performed.

研究了大别山北部榴辉岩的变质岩岩石学。