音標(biāo)發(fā)音英式音標(biāo) [??n.deks ?f?s.?l]美式音標(biāo) [??n.deks ?fɑ?.s?l]英式發(fā)音 美式發(fā)音 基本解釋[古生] 標(biāo)準(zhǔn)化石，[古生] 標(biāo)志化石同根派生 index fossil相關(guān)詞詞組短語短語index x fossil 標(biāo)準(zhǔn)化石province index fossil 地區(qū)指標(biāo)化石leading fossil index fossil 標(biāo)準(zhǔn)化石fossil index 標(biāo)準(zhǔn)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(xué)標(biāo)準(zhǔn)化石標(biāo)志化石生物學(xué)指準(zhǔn)化石標(biāo)志化石標(biāo)準(zhǔn)化石指示化石