Springer
01
即将分娩的母牛, 待产的母牛
a cow about to give birth
02
史宾格犬, 史宾格
a large spaniel with wavy silky coat usually black or liver and white
03
起拱石, 拱的最低楔形石
the lowest voussoir, or wedge-shaped stone, of an arch or vault that rests on the impost or support
