音標發(fā)音英式音標 [??n.deks ?f?s.?l]美式音標 [??n.deks ?fɑ?.s?l]英式發(fā)音 美式發(fā)音 基本解釋[古生] 標準化石，[古生] 標志化石同根派生 index fossil相關(guān)詞詞組短語短語index x fossil 標準化石province index fossil 地區(qū)指標化石leading fossil index fossil 標準化石fossil index 標準化石index fossil更多詞組英英字典劍橋英英字典 a fossil that is found in many places and comes from the same time in history, so that scientists can use it to decide how old certain rocks are柯林斯英英字典 a fossil species that characterizes and is used to delimit a geological zone (Also called zone fossil)index fossil劍橋字典index fossil柯林斯字典專業(yè)釋義地球科學標準化石標志化石生物學指準化石標志化石標準化石指示化石