selective breeding

• 选择育种

selective breeding的用法和样例：

例句

1. By selective breeding, it is possible to breed iridescent turquoise, steel blue and royal blue fish with mask features but also to breed metallics with solid black heads.
   通过选择育种，有可能滋生虹彩绿松石，钢蓝色和皇室蓝鱼罩的功能，而且滋生金属与固体黑色元首。