“大圆”怎么读

光头使他的大圆脸更加突出。His shaven head accentuates his large round face.河床上散布着很多大圆石。The riverbed was strewn with big boulders.小道越过一处傍树的大圆丘，然后沿着一条大路向前延伸。The path goes over a large hump by a tree before running near a road....

“大圆”的英语可以翻译为：[地测] （球面被通过球心的平面所截而成的圆） great circle ...