越过高山，越过平原。
缘于加拿大南部与平原区域的烟雾向东漂移，越过新英格兰和大西洋。
Smoke from fires in southern Canada and the Plains states moved east over New England and the Atlantic Ocean.
甚至那些其旅程穿过东北部的complex，进入南部土地，越过中央平原并到达西部斜面的人也只能略窥美国的丰富物产。
Even those who journey through its Northeastern complex, into the Southern lands, across the central plains and to its Western slopes can only glimpse a measure of the bounty of America.
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