megacrysts
美
英 
例句
Helium isotope compositions of the mantle-derived xenoliths and megacrysts from the Cenozoic basalts in Hannuoba were measured.
對該地區新生代玄武巖中幔源包體和高壓巨晶的氦同位素進行了初步研究。
Mingxi, Fujian, is a typical location of zircon megacrysts related to volcanic rocks in China.
福建明溪是我國和火山巖有關的鋯石巨晶的典型產地。