The sun beat down mercilessly on the dry earth.

阳光无情地照射在干旱大地上。

The long drought dried up all the wells.

长期干旱所有井都干涸了。

The paucity of fruit was caused by the drought.

水果缺乏是由于干旱造成。

Plenty of laticiferous tubes were included in roots, stems and leaves.Intraxylary phloem formed around the pith.

髓外围形成一环内生韧皮部，这些结构特征罗布好适应干旱、盐碱等恶劣环境。

Long dry periods wasted the land.

长期干旱土地荒芜。

In East Africa five years of drought have brought about a holocaust in which millions have died.

东非地区五年干旱引起上百万亡。

They watered the thirsty fields.

他们给干旱土地灌水。

Some 22 percent of degrading land is in very arid to dry-subhumid areas, while 78 percent of it is in humid regions.

从极为干旱到亚湿润地区，正在退化土地比例大约为22%，而78%地处湿润地区。

The dominant plants are sages (Lamiaceae) and evergreen oaks and, in drier areas, chamise (Adenostoma fasciculatum), manzanita (Arctostaphylos pungens), and species of Ceanothus.

优势树种有薄荷属一些树木，常绿橡树，在干旱地区通常有蔷薇属灌木，石兰科常绿灌木以及某些鼠李。

Rendzina A type of brown earth soil typical of humid to semi-arid grasslands over calcareous rocks. The rendzina is rich in lime and has an upper humus-rich horizon.

一种褐色土壤，其特征为潮湿半干旱草地上覆盖着石灰质岩石。其富含有石灰和较高量腐殖质。