These pictures are helping us learn more about the earth-its mountains, vegetation, and bodies of water.
这些照片在帮助我们了解更多的关于地球的信息-它的山脉、植被和水系。
Switzerland is famous for its mountains.
瑞士以其山岳闻名。
Switzerland is famed for its physical beauty, its mountains and lakes, its crisp, clean air.
瑞士全国以风景优美著名，到处山湖交错、空气清新。
The map shows the configuration of the North American continent, with its mountains, rivers, and plains.
地图描绘出北美大陆的地形以及它的山脉、河流和平原。
Switzerland is known for its mountains.
瑞士以它的山而闻名。
Switzerland is known for its mountains.
瑞士以它的山而闻名。
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