短語(yǔ)詞組短語(yǔ)cross -breeding improvement 襍交改良cross choose breeding 襍交選育soybean cross -breeding 大豆襍交育種binary cross -breeding 二元襍交sugarcane cross -breeding 甘蔗襍交育種cross s breeding flax 襍交亞麻 返回 cross breeding