他们在海上航行，绘制出了陆地海岸线的地图。
They sailed across the seas and charted the coasts of the continents.
根据戴维斯的计划，由于红树林的“陆地建设”作用，随着时间的推移，通过捕获沉积物，海岸线向海的方向延伸。
According to Davis' scheme, the shoreline is being extended in a seaward direction because of the "land-building" role of mangroves, which, by trapping sediments over time, extend the shore.
这个国家的陆地面积为7686850平方公里，海岸线长达36735公里。
This country has a land area of 7,686, 850 square kilometers and its coastline is 36,735 kilometers.//
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