bear trap gate

例句：

1. 1. Thebear trap gate was a popular tourist attractionin the park.
   熊陷阱门是公园里一个受欢迎的旅游景点。
2. 2. The bear trap gate wasclosed for maintenance.
   熊陷阱门因维护关闭了。
3. 3. The bear trap gate was designed tokeep bears out of the area.
   熊陷阱门的设计是为了将熊挡在外面。