diapiryoudaoicibaDictYouDict[diapir 词源字典]
"A domed rock formation in which a core of rock has moved upward to pierce the overlying strata", Early 20th century: from Greek diapeirainein 'pierce through', from dia 'through' + peirainein (from peran 'pierce').[diapir etymology, diapir origin, 英语词源]