Permian
柯林斯词典
1. ADJ of, denoting, or formed in the last period of the Palaeozoic era, between the Carboniferous and Triassic periods, which lasted for 60 000 000 years 二曡紀的
2. N the Permian period or rock system 二曡紀; 二曡統
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Permian /ˈpɜːmɪən/
剑桥词典
- from or referring to the period of time between about 290 and 250 million years ago, in which large reptiles and amphibians appeared , and that ended with most species on earth becoming extinct (= dying out completely )
二曡紀（迄今2億9000萬至2億3000萬年前，其間出現大型爬行動物和兩棲動物，大部分物種在這期間的最後滅絕）
the Permian period 二曡紀
Permian rocks 二曡紀巖石
the Permian
noun [ 單數名詞 ]the Permian period
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