1. Arid regions in the southwestern United States have become increasingly inviting playgrounds for the growing number of recreation seekers who own vehicles such as motorcycles or powered trail bikes and indulge in hill-climbing contests or in caving new trails in the desert.
1.美国西南部的不毛之地已经成了吸引探险者的乐园,他们拥有摩托车或者动力车,沉浸在怕山竞赛或者在沙漠中的洞中探险.
2. Stone does decay, and so tools of long ago have remained when even the bones of the man who made them have disappeared without trace.
2.很久前当人们使骨头做的工具消失的无影无踪的时候,石制的工具就被保留下来.
3.Insects would make it impossible for us to live in the world; they would devour all our crops and kill our flocks and herds, if it were not for the protection we get from insect-eating animals.
3.如果失去食昆虫类动物的保护,我们将不可能生活在这个世界上,因为它们会吞食我们的庄稼和杀害我们的牲畜. |