求翻译：张家界山高林密，古树丛生，有世界五大科的植物，比整个欧洲的林木种类还多一倍以上，其中大量的古老残留树种十分珍贵。是什么意思？

Zhangjiajie high mountains, dense forests, ancient trees clustered, five subjects the world of plants, types of trees than the whole of Europe more than doubled, which left a large number of old trees is very valuable.

正在翻译，请等待...

Zhangjiajie Shan Gaolin is dense, the old tree grows thickly, has the world five big branch plants, compared to above entire Europe's forest type many times, in which massive ancient residual tree seeds extremely is also precious.

Zhangjiajie mountain forests and dense, plagued the ancient tree, has five branches in the world of plants than trees and there are many more than 1 time times across Europe, of which a large number of ancient remains very precious species.

Zhang house boundary mountain high forest dense, ancient grove grow, have world five major plant of department, more than first time larger even than whole forest type of Europe, a large number of among them old to remain varieties of trees very much precious.