fossil[英][?f?sl] [美][?fɑs?l] 
    簡明釋義
    n.化石;僵化的事物;老頑固，食古不化的人;習語中保存的舊詞
    adj.化石的;陳腐的，守舊的
    復數(shù)：fossils
    例句
    I think the framework around the fossil was faulty.
    我認為化石周圍的那圈架子有問題。
    Morphological characteristics of some recent and fossil pollens of liquidambar.
    楓香屬現(xiàn)代的和某些化石的花粉形態(tài)特征.
    Petroleum is a fossil fuel.
    石油是一種化石。
    Natural gas is an environmental benign fossil fuel.
    天然氣是環(huán)保型的珍貴化石燃料。
    When can the usa be fossil fuels independent?
    美國何時能在化石燃料領(lǐng)域獨立?