Centuries of land grabbing and illegal logging has reduced the vast Atlantic forest to a twelfth of its original size.

几个世纪的土地掠夺和非法砍伐已经使大西洋的森林面积减少到原来的十二分之一。

That's a twelfth of a foot, or a little more than a millionth part of a mile.

那是十二分之一英尺， 或一英里的百万分之一多一点。