美国大峡谷英文介绍

Grand Canyon
大峡谷
Gorge cut by the Colorado River, northwestern Arizona, U.S. Noted for its rock formations and coloration, it is about 0.1–18 mi (0.2–29 km) wide and extends from northern Arizona to Grand Wash Cliffs, near the Nevada border, a distance of about 277 mi (446 km). The deepest section, 56 mi (90 km) long, is within Grand Canyon National Park, which covers the river's length from Lake Powell to Lake Mead. The surrounding plateau is 5,000–9,000 ft (1,500–2,750 m) above sea level, and the canyon is in places more than a mile (1.8 km) deep. The national park, now containing 1,904 sq mi (4,931 sq km), was created in 1919. The former Grand Canyon National Monument, established in 1932, was added, with other lands, in 1975. In 1979 the Grand Canyon was designated a World Heritage site.
美国亚利桑那州西北部由科罗拉多河切成的峡谷，以其形态奇特、色彩斑斓著称。宽约0.2～29千米，从亚利桑那州北部延伸到内华达州边界附近的大瓦士崖，长约446千米。最深的一段在大峡谷国家公园内，长90千米，包括科罗拉多河从鲍威尔湖到米德湖之间一段。附近高原海拔1,500～2,750米，大峡谷有些地方深度超过1英里。大峡谷国家公园建于1919年，占地4