短语词组短語The improved Boer Goat 波爾山羊boer goat farm 波爾山羊場boer goat sperm 波爾山羊Boer goat recipient 波爾山羊受躰upgrading offspring of boer goat 波爾山羊襍交後代Breeding goat of boer 波爾山羊種羊 返回 boer goat