1.
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
2.
A simple and inexpensive technology has been developed by the Potash& Phosphate Institute to rehabilitate savanna areas for agricultural purpose.
钾磷肥研究所提出了一项简单而低投资的热带稀树草原复垦技术。
3.
savanna woodland
热带稀树〔干〕草原林地
4.
temperate and cold savannah
温带和寒带稀树干草原
5.
d cold savanna(h)
温带和寒带稀树草原
6.
South of the equatorial region is the tree-dotted grassland called the savanna.
赤道地区以南是一片树木稀少的草原，称为热带草原。
7.
annual and perennial grasses of savannas and upland grasslands.
一个一年或多年生禾草属，产于热带或亚热带稀树大草原及丘陵草原。
8.
Most rhinoceroses are solitary inhabitants of open grassland, savanna, scrub forest, or marsh in eastern and southern Africa and tropical Asia.
大多数犀牛孤居在宽阔的草原,热带的稀树大草原,灌木林或东南非和亚热带的沼泽里。
9.
A treeless alpine plateau of the Andes and tropical South America.
高山稀疏草地安第斯山脉和热带南美洲的高山上不生树木的高原
10.
Grassland with scattered clusters of trees or shrubs.
稀树高原稀疏地散布着树丛和灌木丛的草地
11.
treelike tropical Asian herbs.
树状亚洲热带草本科。
12.
There are areas of acacia woodland and thorn tree savanna that supply foliage for browsing families of elephants.
成片的金合欢树林和热带荆棘稀树林为食草大家族——象群提供了丰富的食物。
13.
The southern African python occurs in open savannah, riverine scrub and rocky areas.
辽阔的非洲稀树草原，溪流边的灌木丛中，以及多岩石地带，都是南非蟒经常出没的地方。
14.
The Greeks had brought down into cities the individualism, the personal initiative of the wandering life of the northern parklands.
希腊人将个人奋斗精神带进城市，这是北方稀树草原上流浪生活所培养起来的个人进取思想。
15.
a flat grassland in tropical or subtropical regions.
热带或亚热带地区的平坦草原。
16.
There are more insects in tropical rainforest zones than in temperate grass zones.
热带雨林区的昆虫比温带草原区的多。
17.
herb of tropical America having vanilla-scented flowers; climbs up trees.
美洲热带草本植物，有香草味道的花；在树上攀援。
18.
I live on plains and deserts and in tropical rain forests and river valleys.
我生活在草原、沙漠、热带雨林和河谷。