英语语法分析

And macromolecular clumps of organic material called kerogen.

最后是一种叫做油母质的大分子化合物。

Typical organic constituents of kerogen are algae and woody plant material.

干酪根的典型有机组分为藻类和木质植物。

Natural gas is not only originated from kerogen cracking, but also from oil cracking.

天然气既可来源于干酪根的裂解气，也可来源于原油的裂解气。