微体化石

微體化石

wēitǐhuàshí

noun

Measure Word

一块微体化石 kuài

Meanings

1 microfossil
2 small fossil visible only under a microscope

Characters

Examples

HSK 7-9

地质学家通过微体化石来判断地层年代。

Dìzhìxuéjiā tōngguò wēitǐhuàshí lái pànduàn dìcéng niándài.

Geologists use microfossils to date rock strata.

HSK 7-9

石油勘探离不开微体化石研究。

Shíyóu kāntàn líbùkāi wēitǐhuàshí yánjiū.

Oil exploration relies heavily on microfossil research.

Tips

usage

Literally "micro-body fossil." Common microfossil groups include 有孔虫 (foraminifera), 放射虫 (radiolarians), and 牙形石 (conodonts) - all used as index fossils for biostratigraphy.

Stroke Order

微 wēi

体 tǐ

化 huà

石 shí