劍橋詞典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 appeared 三疊紀(jì)的,三疊系的(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)) the Triassic period 三疊紀(jì),三疊紀(jì)時(shí)期 Triassic plants 三疊系植物 the Triassic noun uk Your browser doesn't support HTML5 audio us Your browser doesn't support HTML5 audio the Triassic period 三疊紀(jì),三疊紀(jì)時(shí)期 返回 Triassic