n.化石( fossil的名词复数 );老顽固;食古不化的人;老古董(老人);
例句:
Fossils allow us to reconstruct ancient ecology.
化石可以让我们知道古时的生态环境。
Animals and plants of remote antiquity turned to fossils.
远古的动植物变成了化石.
Sedimentary rocks are thus tagged by the fossils which they contain.
沉积岩就这样以它们所含的化石作为鉴别的标记.