求翻译：袋鼠主要以小草为生, 个别种类的袋鼠也吃树叶或小树芽。在澳大利亚的中西部地带, 有面积广阔的草原, 那里也就成为袋鼠生活的最主要的领地。这一地带的年平均降雨量在500 毫米以下, 气候较为干旱,但由于袋鼠的食物中含大量水分, 且袋鼠对干旱有较强的忍受能力, 这使得袋鼠在没有活水的地区也能生存。是什么意思？

Kangaroo grass for a living mainly in the individual types of kangaroos eat leaves or tree buds. Central and western areas in Australia, there is a vast area of ​​grassland, where the kangaroo has become the most important life domain. The average annual rainfall in this area of ​​500 mm below the c

kangaroo mainly as a little grass, and living on individual types of Kangaroo also eat leaves or small tree sprouts. In Australia, in the western part of the Strip, there are vast grasslands, where there is also an area to become a kangaroo life's most major territory. In this zone, below average ra