柯林斯词典seed corn 1. N the good quality ears or kernels of corn that are used as seed 穀種 返回 seed corn剑桥词典grain , especially corn , that is kept for planting to produce new plants 穀種；（尤指）玉米種 something that is important because it is the starting point for future development 希望之種；前景光明之物 Investment is the seed corn of economic progress . 投資是經濟發展的希望之種。 返回 seed corn