英语语法分析

The coloring material of logwood is used in dyes, inks, and stains.

原木的着色材料用于染料，油墨和污渍。

A yellow or red crystalline compound, C16H 14O 6·3H 2O, the coloring material of logwood, that is used in dyes, inks, and stains.

苏木精，苏木紫，苏木素：一种黄色或红色的晶体化合物，C16H 14O 6·3H 2O，是洋苏木的着色物质，用于染色、着墨和喷涂。