英语语法分析

This lignification serves to stiffen and strengthen the cells.

木质化足以使细胞变硬和增强。

The results indicated that along with the formation and lignification of the secondary wall, great changes had taken place in the cell walls.

结果表明，随着细胞次生壁的形成与木质化，细胞壁结构发生较大变化。

Creeper plants belong to Grape family. They are climber plants that are perennial lignification big lianas. There are about 15 species of creeper plants in the world.

爬山虎属植物属于系葡萄科系多年生木质大藤本攀缘植物，全世界约有15种。