求英语意思是什么?“ powered trail bikes”原句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 b

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求英语意思是什么?“ powered trail bikes”原句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 b
求英语意思是什么?“ powered trail bikes”
原句
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.

求英语意思是什么?“ powered trail bikes”原句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 b
自动变量就是指在函数内部定义使用的变量.他只是允许在定义他的函数内部使用它.在函数外的其他任何地方都不能使用的变量.自动变量是局部变量,即它的区域性是在定义他的函数内部有效.当然这说明自动变量也没有链接性,因为它也不允许其他的文件访问他.由于自动变量在定义他的函数的外面的任何地方都是不可见的,所以允许我们在这个函数外的其他地方或者是其他的函数内部定义同名的变量,他们之间不会发生冲突的.

是越野摩托车

机动小径自行车