It is a primitive tree-fern of value in scientific research, and also can be used as an ornamental plant for growing in sheltered places.
黑桫椤属植物起源古老，具有科学研究价值，本种亦适合栽培于阴湿处供观赏。
2
Carrying a bottle of milk, Fern sat down under the apple tree inside the yard.
芬拿了一瓶牛奶，坐到小院子里的苹果树下。
3
And builds some mathematics models. Using these models and methods, some nature scenes are simulated successfully, for example: terrain, tree, leaf and fern etc.