半圆形区域:古希腊剧场中舞台前为合唱队所用的半圆形地方A semicircular dumpling with any of various fillings, such as finely chopped meat or vegetables, that is often sautéed after being boiled.俄式肉馅小卷饼:里面包有各种像是碎肉或蔬菜等材料的半圆形包饼,通常是煮熟后再煎的Mathematics A semicircular...