great-grandparent
美
英 
詞形變化
復數:great-grandparents
英漢解釋
英英解釋
例句
Over much of the globe, the living standard of, say, a farmer in 1750 would not differ greatly from that of his great-grandparent.
例如,在全世界大多數地區,一個農民在1750年的生活水平和他的曾祖輩沒有太大區別。
Effect of Selection Method for Succession of Great Grandparent Silkworm on Maintenance of Characteristics
家蠶母種繼代蛾區選擇方法對種性維持的影響