1. I´m incapable of walking far today because I´ve hurt my foot.
    我今天不能走远，因为脚受了伤。

2. In the early days of the settlement of Australia, enterprising settlers unwisely introduced the European rabbit.
    在澳大利亚移民初期，一些有创业精神的移民不明智地把欧洲兔子引进了澳大利亚。

3. It effectively spread the disease all over the continent and drastically reduced the rabbit population.
    蚊子把这种疾病扩散到整个澳洲大陆，效果甚佳，结果兔子的数目在为减少。

4. It later became apparent that rabbits were developing a degree of resistance to this disease, so that the rabbit population was unlikely to be completely exterminated.
    后来，明显看出，兔子对这种疾病已产生了一定程度的免疫力，所以兔子不可能被完全消灭。

5. Ironically, Europe, which had bequeathed the rabbit as a pest to Australia, acquired this man-made disease as a pestilence.
    具有讽刺意味的是，欧洲把这种兔子作为有害动物传给澳洲，而欧洲自己却染上了这种人为的瘟疫般的疾病。