mindexmiazine./mahy-uh-zeen, -zin, mahy-az-een, -in/US // ˈmaɪ əˌzin, -zɪn, maɪˈæz in, -ɪn //我的天,我的天啊,我的天哪,我的天呐Definitionsn.noun · 名词1. Chemistry.›pyrimidine. Level 5More words in m →