石头 /ʂɨ˥ tʰoʊ̯˧˥/ NounEnglishrockไทยหินExample工程师们穿透了数层[岩石 (岩石/石头/石块)]才找到石油。They drilled through several layers of rock to reach the oil.岩石是更正式、地质学的用词。