palaeozoic

英 [ˌpælɪəʊ'zəʊɪk] 美 [ˌpælɪoʊ'zoʊɪk]

• adj. 古生代的
• n. 古生代

例句

用作形容词 (adj.)

1. Northern Xinjjiang is characterized by complicated geologic structure and intense volcanic activities of Palaeozoic.
   新疆北部地质构造复杂，古生代火山活动很强烈。

用作名词 (n.)

1. My professor studies flora of the Palaeozoic Era.
   我的教授研究古生代的植物群。
2. Geochemical discrimination and correlation from the metasediments of the Erzgebirge suggest repetition of an early Palaeozoic metasedimentary sequence in metamorphic thrust units.
   厄尔士山脉变质沉积物的地球化学识别和对比表明在变质逆冲单元中重现了早古生代变质沉积层序。