化石

zhè xiē huà shí dà duō shù dōu tài xiǎo le bù yì bèi fā xiàn

这些化石大多数都太小了，不易被发现。

Most of these fossils are too small to be easily spotted.

wǒ men zhǎo dào huà shí de kě néng xìng wēi hū qí wēi

我们找到化石的可能性微乎其微。

It was a chance in a million that we would find a fossil.

nǐ néng gòu pàn duàn zhè xiē huà shí de nián dài ma

你能够判断这些化石的年代吗？

Can you date these fossils?

yú lóng huà shí

鱼龙化石

fossil ichthyosaur

zhí wù huà shí

植物化石

plant fossil

dòng wù huà shí

动物化石

animal fossil

biāo zhǔn huà shí

标准化石

index fossil

wēi tǐ huà shí

微体化石

microfossil

huà shí zuò yòng

化石作用

fossilization

huà shí dài

化石带

fossil zone

huó huà shí

活化石

living fossil

zhǐ xiàng huà shí

指相化石

facies fossil