fossil

n.

化石；僵化的事物；老顽固，食古不化的人；习语中保存的旧词

adj.

化石的；陈腐的，守旧的；

复数：fossils

fossil fuel矿物燃料，化石燃料

living fossil[生]活化石；[口]落后于时代的人

trace fossil生痕化石；踪迹化石

fossil oil石油；化石燃料

1. Coal is a fossil fuel.
   煤是一种矿物燃料。
2. This fossil may be over 2 million years old.
   这化石可能超过二百万年了。
3. He found a piece of fossil of an ancient bird.
   他发现一块古代鸟类的化石。
4. Professor Baboon is not an old fossil.
   巴布恩教授不是落伍的人。
5. My grandpa doesn't want to be an old fossil.
   我爷爷可不愿做个落伍的人。

...global warming reduction by replacing fossil ...
...Global Warming Reduction by Replacing Fossil ...
The Biology and Evolution of Fossil Plants
Fossil pollen records of extant angiosperms
Fossil and non-fossil sources of organic carbon (OC) and elemental carbon (EC) in G teborg, Sweden
Relationships between leaf morphology and climate, Bolivia: implications for estimating paleoclimate from fossil floras.
Bayesian estimation of species divergence times under a molecular clock using multiple fossil calibrations with soft bounds.
Hydrogen production reactions from carbon feedstocks: fossil fuels and biomass.
A critical reappraisal of the fossil record of the bilaterian phyla
A Compendium of Fossil Marine Animal Genera