He walkedalong the semi-circularpassage at the back of the house, and opened the door of Mrs. van der Luyden's box asif it had been a gate into the unknown.
他穿过剧场后面半圆形的过道，打开范德卢顿太太包厢的门，仿佛那原是一道通往未知世界的门一样。
2
According to the size and height of the falling rock block, the thickness of the circular tube can be determined, which can provide the foundation of designing the escape passage system.
同时，根据岩块大小和下落高度，可以通过计算凹陷变形而确定圆管厚度，为逃生管道的安全设计提供依据。
3
A circular loop passage brings visitors to and form a public roof-terrace, where they bear first witness to the very issues being debated and exhibited below.