| 释义 |
化石huàshí〈古代arch.〉生物的遗体、遗物或遗迹埋藏在地下变成的跟石头一样的东西。研究化石可以了解生物的演化并能帮助确定地层的年代。{fossil; remains, relics or trace of a living thing from a former geologic age, buried underground and petrified, for studying the evolution of living things and helping determine the age of strata} |