1. The excavations are open to the public. 发掘现场对公众开放。
2. Archaeological excavations indicate that the Rapanui went to heroic efforts to protect the resources of their wind-lashed, infertile fields. 考古发掘表明，拉帕努伊人为了保护他们狂风肆虐的贫瘠土地上的资源，付出了英勇的努力。
3. Two- and three-dimensional maps are helpful tools in planning excavations, illustrating how sites look, and presenting the results of archaeological research. 二维和三维地图是规划挖掘工作的有用工具，可以描绘遗址的外观，并展示考古研究的结果。
4. Based on excavations, we can know the layout of the houses and the location of the graves, but we're only guessing when we tried to say why they did it that way. 根据挖掘的情况，我们可以知道房子的布局和坟墓的位置，但是我们试图解释他们这样做的原因时只是瞎猜而已。
5. The flotation samples from the excavations allowed botanists to study shifts in plant-collecting habits as if they were looking through a telescope at a changing landscape. 从挖掘物中获取的浮选样本让植物学家能够研究植物采集习性的转变，就好像是用望远镜观察不断变化的景致。
