音標(biāo)發(fā)音英式音標(biāo) [tra???s.?k]美式音標(biāo) [tra???s.?k]英式發(fā)音 美式發(fā)音 基本解釋三曡紀(jì)的，三曡系的（約2.45-2.08億年前之間的地質(zhì)年代，其間恐龍開始出現(xiàn)）。同根派生 Triassic相關(guān)詞英漢例句adjectivethe Triassic period 三曡紀(jì)，三曡紀(jì)時期Triassic plants 三曡系植物Triassic更多例句英英字典劍橋英英字典 from or referring to the period of time between around 245 and 208 million years ago, in which dinosaurs (= large reptiles that no longer exist) first appearedTriassic劍橋字典Triassic柯林斯字典