One of the project's goals is to test a prototype E.V. with a trunk floor that provides electricity.
该项目的另一目标就是测试一款概念电力车，其车底板可提供电力。
During the planning phase, I let them climb a ladder to the mark on the trunk where the floor would go.
在整个规划设计阶段，我让他们爬上梯子在树干上标记下将要架设树屋地板的地方。
As with the floor, I left a gap around the tree trunk to allow for growth, as well as movement in strong winds.
我在环绕树干的地板上留下一条缝隙，让树木能够生长，也能随着强风摇摆。
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