英语翻译北起马更些河三角洲,南抵美墨边界的格兰德河,东接劳伦琴低高原和内陆低平原,西至落基山脉东麓.大部分地区冬冷夏热,

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It runs from the Mackenzie River Delta in the north and the Rio Grande on the U.S.-Mexico border in the south. it spans the Laurentian Plateau and the interior plateau in the east, and the eastern foothills of the Rocky Mountains in the west. Most of its areas are cold in winter and hot in summer, with low precipitation and humidity, windy conditions and dramatic changes in temperature.

From the river delta, more some horse over the u.s.-mexico border south of the Rio grande, east to lauren harp low plateau and inland low plain, west to the Rocky Mountains foothill. Most areas in hot...