a triangular area in southwestern Texas on the Mexican border; formed by a bend in the Rio Grande
双语例句
1
When wandering from room to room, twisting up stairs and around unexpected bends, it becomes hard to gauge just how big the museum is.
由于漫步了一个又一个房间，沿着螺旋型楼梯，走过出人意料的弯曲处，博物馆的大小变得难以估计。
2
It happens when a big change in temperature over a small distance bends light rays so they're sent towards the eye rather than bouncing off the surface.