岩石 (yán shí) — rock (geological formation)
Definition
岩石 (yánshí) is the formal, scientific term for 'rock' as a geological formation. Use 石头 (shítou) in everyday speech for a stone or rock you can pick up.
noun
rock (geological formation)
Measure word · 块
Examples
- 岩石。Zhè zuò shān zhǔ yào yóu yán shí gòu chéng.This mountain is mainly composed of rock.
- 岩石。。Kē xué jiā cóng yán shí zhōng fā xiàn le huà shí. fā xiàn le huà shí.Scientists discovered fossils in the rock.
- 岩石，。Zhè kuài yán shí fēi cháng gǔ lǎo, yǒu jǐ yì nián le.This rock is very old, hundreds of millions of years old.
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