paleozoic
美 英
adj. 古生代的
n. 古生代；古生层
英英释义
Noun- from 544 million to about 230 million years ago
Adjective- of or relating to or denoting the Paleozoic era
例句
用作形容词(adj.)- There are few survivors of the animals that lived in the Paleozoic period.古生代的动物现今已鲜有孑遗。
- The Galeaspid is one major group of Agnatha in the Middle Paleozoic, and is mainly distributed in China and North Vietnam.摘要盔甲鱼类是古生代中期化石无颌类的主要类群，其分布主要限于我国境内以及越南北部。
用作名词(n.)- On this basis the paleogeographical changing process during the Paleozoic in the eastern Qinling is discussed.在此基础上探讨了东秦岭古生代古地理变迁过程。
- Ancient plant in the early Paleozoic marine mainly to the late Silurian Period, the original plants begin boarding land.古植物在古生代早期以海生藻类为主，至志留纪末期，原始植物开始登上陆地。
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