The outer tent fits over the frame work, this is made of metal poles which are fitted together.

外围帐篷安置在帐篷的骨架上，它由金属的帐篷支杆组装而成。

Behind him was the frame work of the doorway.

他身后是门口的框架。

I've also talked to small farmers who frame their work as one of ecology and stewardship.

我还与小农交谈过，他们将自己的工作视为生态和管理工作之一。