trachybasaltWiktionary 原文英美词源链古希腊语Ancient Greek约前 1500–前 300 年τραχύς‘rough, rugged’↓ 派生英语Englishtrachybasalt词源说明Ancient Greek τραχύς (trakhús, “rough, rugged”) + basalt.释义名词noun1A volcanic rock with a composition between trachyte and basalt.同族词派生词 1trachybasaltic