defensible space

例句：

1. 1. The military has been working to secure the defensible space around their base.
   军方一直在努力确保他们基地周围的可防御空间。
2. 2. This new technology could provide us with a protectable space for storing data.
   这项新技术可以为我们提供一种可防御的空间来存储数据。
3. 3.The research team found an area that was both defendable and accessible.
   研究团队发现了一个既可防御又易于接近的区域。