The deliberate effort to modify a portion of Earth's surface through the cultivation of crops and the raising of livestock for sustenance or economic gain. 點擊卡片即可翻轉 👆 1 / 23 建立者 Oscar_Hickey1 10個月前建立 學生們也學習了 單詞卡學習集 學習指南 quiz 4 18個詞語 Jason_Kavulic 預...