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。

youdao

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。

youdao