木质素的英文：
lignin
lignine

The group includes flavonoids, benzophenones, some coumarins, lignans, condensed tannins, and stilbenes
这一组中包括黄酮类化合物，二苯甲酮、一些香豆素、木质素、缩合单宁和芪。

lignin is a characteristic component of secondary walls
木质素是次生壁成份的特征。

Besides cellulose, there are hemicellulose and lignin.
除了纤维素，还有半纤维素和木质素。

Lignin: The substance in wood which binds the fibres together. It can be removed by using the chemical pulping process.
木质素:把木材内的纤维黏结一起的物质。用化学制法，可把木质素清除。

This material includes cellulose, hemicelluloses, pectin, and lignin.
它包括纤维素、半纤维素、果胶和木质素。

To turn into wood or become woody through the formation and deposit of lignin in cell walls.
木质化通过木质素的形成和湿度，从而在细胞壁内形成木质化

" Lignin： Complex oxygen-containing organic compound, a mixture of polymers of poorly known structure."
木质素:一种复杂的含氧有机物，是结构尚不清楚的多种聚合物的混合物。

Besides cellulose, there are hemicellulose and lignin.
除了纤维素，还有半纤维素和木质素。

lignin is a characteristic component of secondary walls
木质素是次生壁成份的特征。

A combination of lignin and cellulose that strengthens woody plant cells.
木质纤维素木质纤维素和纤维素的组合物，可强化木质植物的细胞

This material includes cellulose, hemicelluloses, pectin, and lignin.
它包括纤维素、半纤维素、果胶和木质素。

To turn into wood or become woody through the formation and deposit of lignin in cell walls.
木质化通过木质素的形成和湿度，从而在细胞壁内形成木质化

Besides cellulose, there are hemicellulose and lignin.
除了纤维素，还有半纤维素和木质素。

lignin is a characteristic component of secondary walls
木质素是次生壁成份的特征。

A combination of lignin and cellulose that strengthens woody plant cells.
木质纤维素木质纤维素和纤维素的组合物，可强化木质植物的细胞

This material includes cellulose, hemicelluloses, pectin, and lignin.
它包括纤维素、半纤维素、果胶和木质素。

To turn into wood or become woody through the formation and deposit of lignin in cell walls.
木质化通过木质素的形成和湿度，从而在细胞壁内形成木质化