a national park (= a large area of land protected by the government because of its natural beauty or

中文解释

（美国华盛顿州）雷尼尔山国家公园 In Mount Rainier National Park, subalpine parklands cover about 23 percent of the landscape. 在雷尼尔山国家公园，亚高山绿地约占公园总面积的 23%。