1.
a farm with 50 acres of unimproved and 68 acres of improved land; unimproved woodlands.
拥有50英亩未改良土地和68英亩改良土地的农场；原始林地。
2.
aboriginal forests; primal eras before the appearance of life on earth; the forest primeval; primordial matter; primordial forms of life.
原始森林；地球上生命出现之前的原始时期；原始森林；原生物质；生命的原始形式。
3.
A quarter of the area is covered with virgin forest.
四分之一的地区都是原始森林。
4.
A forest or wooded area in its natural state.
天然林，原始林天然状态的树林或林区
5.
They carved out great areas of land from the virgin forest.
他们在原始森林中开拓出大片大片的土地。
6.
highly variable species of very large primitive ferns of the Pacific tropical areas with high rainfall.
太平洋热带雨林地区的一种大型原始树蕨。
7.
The primeval forest is the unspoild splendor of the place.
原始森林是这地方没遭破坏的壮观之处。
8.
Wilderness forests give way to arctic tundra in the Far North.
原生森林一直延伸到极远的北方始由极地草原取代。
9.
a great fire swept across the bushland.
大火席卷了原始林带。
10.
Green trees reach to the sky in the virgin forest.
原始森林里碧树参天。
11.
the ferity of the animals of the virgin forest
凶残的原始森林动物
12.
The railway cuts through a primeval forest.
铁路穿越原始森林。
13.
ITTO's Classification and Definition on Primary Forest,Degraded Primary Forest,Secondary Forest and Other Categories of Tropical Forests
ITTO对原始林、退化原始林、次生林和其他热带森林类别的界定
14.
the conversion of bare or cultivated land into forest (originally for the purpose of hunting).
裸露的土地或耕地变为森林的转变（原始上为了打猎的目的）。
15.
Species composition and synusia structure of ground bryophyte communities under different aged spruce plantations and primary forest in the upper reaches of the Dadu River, Sichuan
大渡河上游不同林龄云杉人工林与原始林下地表苔藓层片结构与物种组成
16.
Temperatures cooled and the land became dries.Savannas were forming and forests were shrinking.
气温变凉，大地变干，热带稀树草原开始形成，森林渐渐缩
17.
Study on Structure and Species Diversity of Secondary Vegetation on High Altitude Dark Coniferous Forest Cutting Land
高海拔原始暗针叶林采伐迹地次生植被结构与物种多样性研究
18.
original formation volume factor
原始原油地层体积系数