The boys were all staying in a hotel close by and since we had to ride with them, we pulled a three-point-turn, mid-highway, and headed in the opposite direction.
那些小伙子就住在附近的旅馆，因为我们要与他们同行，所以我们在中途停车掉头，向相反的方向驶去。
2
Two of them intersect in a curved line which in turn intersects with the third hyperboloid in a point corresponding to the unknown three-dimensional user position.