英语语法分析

The arches at the east and west are extended and buttressed by great half domes, while the half domes in turn are carried on smaller semidomed exedrae.

东方和西方的的拱形延伸着，被巨大的半圆顶屋支撑着，而另一半圆顶屋就依次延伸到更小的半圆形屋顶的开敝式有座谈话间上。