您要查找的是不是：
- Bad Lands National Park, Mount Rushmore, Black Hills, Devils Tower National Monument, Rocky Mountain National Park, Great Sand Dunes National Park, and Capulin Volcano National Monument. 恶地国家公园，拉西莫山总统石像，黑山，魔鬼塔，落矶山国家公园，沙丘国家公园，卡普林火山。
- Desert: Great Sand Dunes National Park, September - the tallest dunes in North America 沙丘涟漪-北美最大的沙丘
- Great Sand Dunes National Park 大沙丘国家公园
- Great Sand Dunes National Monument 大沙丘国家保护区
- During their journey they came upon many sand dunes piled up by the winds. 他们在路上看到许多被风吹积而成的沙丘。
- Sand dunes that were upbuilt by the wind. 由风垒起来的沙丘
- The wind is strong enough to move the sand dunes. 风力强得可以吹动沙丘。
- Have you been to American Grand Canyon National Park? 你到过美国大峡谷国家公园吗?
- The sand dunes have created an extreme environment. 沙丘已经创建了一个极端的环境。
- The Sand Dunes and Vegetation of Yenliao. 盐寮沙丘与植物。
- Beach sand and sand dunes are largely quartz. 在火星上，太空船还未找到这类的矿物堆积。
- Their project to establish a new national park will be completed next year. 他们建造一个新的国家公园的工程将于明年完工。
- Today I finally saw real sand dunes. 今天终于看到了真正的沙丘。
- The mountain was designated as a national park. 这座山被命名为国家公园。
- Ah, the sand dune with a trumpet? 大牛：啊，带喇叭的沙丘?
- Can you tell me the way to the National Park? 你可以告诉我到国家公园的路吗?
- Climbing a sand dune on the way home. 她们在归家途中翻越沙丘。
- We are going to do YellowStone National Park first. 我们打算先去游览黄石国家公园。
- He was the head ranger of the national park. 他曾是国家公园的首席看守员。
- Eurasian thistle growing in sand dunes and dry chalky soils. 在沙丘或干旱白垩土壤中生长的欧亚蓟。
