rockheadWiktionary 原文英美rockhead1词源 1构词拆解rockrock词干headhead词干词源说明From rock + head.释义名词noun1(geology) The surface of the bedrock beneath soil cover.2The fish Bothragonus swanii, a variety of poacher.3(slang, derogatory) A stupid person.rockhead2词源 2构词拆解rockrock词干head-head后缀-head(archaic, no longer productive) Used to create nouns indicating a state; -hood.词源说明From rock + -head