也有半圆形的如马贝珠 mabe pearl
美国各地许多城镇已经开始在其现有污水处理系统当中采用这种覆有细菌生物被膜的半圆形设备。
Several towns nationwide have started using the domes lined with bacterial biofilm to clean water in existing facilities.
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。
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.
它通常是有馅的半圆形的麦制食品。
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